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Ancient Greek divinity and epithet
In Greek mythology, Epidotes (Ancient Greek: Ἐπιδώτης) was a divinity who was worshipped at Lacedaemon, and averted the anger of Zeus Hicesius (Greek:
Epidotes
Sorosilicate mineral
Epidote is a calcium aluminium iron sorosilicate mineral. Well-developed crystals of epidote, Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH), crystallizing in the monoclinic
Epidote
Sorosilicate mineral
Epidotes are a group of sorosilicate minerals that are common in igneous and metamorphic rocks. Clinozoisite, (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) Epidote
Epidote_group
Metamorphic rock
have an abundance of green minerals such as chlorite, serpentine, and epidote, and platy minerals such as muscovite and platy serpentine. The platiness
Greenschist
Mountain in the Ross Dependency, Antarctica
Epidote Peak (84°46′S 176°56′W / 84.767°S 176.933°W / -84.767; -176.933) is a prominent rock peak just north of the mouth of Held Glacier, lying along
Epidote_Peak
Multicoloured metamorphic rock
rock that is an altered granitoid composed of orthoclase feldspar (pink), epidote (yellow-green), and quartz (smokey or colorless). Albite-oligoclase plagioclase
Unakite
Personification of dreams in Greek mythology
Hypnos lulling a lion to sleep. He writes that the statue was surnamed Epidotes. Related figures are the Somnia (Dreams), the thousand sons that the Latin
Oneiros
Earth's highest mountain
Yellow Band consists of intercalated beds of Middle Cambrian diopside-epidote-bearing marble, which weathers a distinctive yellowish brown, and muscovite-biotite
Mount_Everest
Blue to purple variety of the mineral zoisite
color is caused by small amounts of vanadium. Tanzanite belongs to the epidote mineral group. Tanzanite is only found in Simanjiro District of Manyara
Tanzanite
Titles of the Greek god Zeus
Athenians escaped subjection to the power of Persia and they were free. Epidôtês/ Epidotes (Επιδωτης; "Giver of Good"): an epithet of Zeus at Mantineia and Sparta
Epithets_of_Zeus
Mountain of Mono County, California
Epidote Peak is a 10,964-foot-elevation (3,342-meter) mountain summit located in the Sierra Nevada mountain range, in Mono County of northern California
Epidote_Peak_(California)
Crystalline chemical element or compound formed by geologic processes
members of the epidote group. Epidotes are found in variety of geologic settings, ranging from mid-ocean ridge to granites to metapelites. Epidotes are built
Mineral
Rock's chemical alteration geological process
biotite or amphibole within the rock groundmass. It typically results in epidote–chlorite–albite alteration and veining or fracture filling with the mineral
Propylitic_alteration
Sorosilicate mineral
is Ca2Al3(SiO4)(Si2O7)O(OH). It was formerly considered a member of the epidote group. Zoisite occurs as prismatic, orthorhombic (2/m 2/m 2/m) crystals
Zoisite
Group of metamorphic rocks
admixture of sand or clay lime-bearing silicates are formed, such as diopside, epidote, garnet, sphene, vesuvianite and scapolite; with these phlogopite, various
Hornfels
Aggregate of hydrothermally altered plagioclase feldspar
because it is a microscopic mixture of several other minerals, zoisite, epidote, sericite, albite or other sodium-rich feldspar along with possibly scapolite
Saussurite
Hydrothermally altered epidote- and quartz-bearing rock
Epidosite (/ɪˈpɪdəsaɪt/) is a highly altered epidote and quartz bearing rock. It is the result of slow hydrothermal alteration or metasomatism of the
Epidosite
Quartz variety
chrysoprase, chrome chalcedony, or quartz colored by inclusions of chlorite or epidote. Natural prasiolite is exceedingly rare, having been first discovered in
Prasiolite
mafic rocks the assemblage is chlorite, prehnite, albite, pumpellyite and epidote. In ultramafic rocks the assemblage is serpentine, talc, forsterite, tremolite
Prehnite-pumpellyite_facies
Metamorphic rock
= Epidote-Amphibolite facies, AM = Amphibolite facies, GRA = Granulite facies, UHT = Ultra-High Temperature facies, HAE = Hornfels-Albite-Epidote facies
Pelite
Microporous, aluminosilicate mineral group
minerals Unclassified silicates (IDs 9.H) Sorosilicates (IDs 9.B, e.g. epidote and seidozerite supergroups) Polymeric, isolated silicates (IDs 9.A, e
Zeolite
Various green-hued minerals used in early cultures for carving various artifacts
derives from the presence of minerals such as chlorite, hornblende, or epidote. Greenstone minerals were presumably selected for their color rather than
Greenstone_(archaeology)
Highest point in Kyrgyzstan
granitic dikes. The paragneisses have sharp contacts with the charnockites. Epidote-tourmaline bearing marbles occur as recumbent isoclinal folds within the
Jengish_Chokusu
Sheet of rock that is formed in a fracture of a pre-existing rock body
Missoula flood slackwater rhythmites at Cecil, Oregon Diorite dike intruding epidote amphibole schist in Dalupirip, Itogon, Benguet, Philippines. Batholith –
Dike_(geology)
Green and red chalcedony or jasper
sometimes called Australian bloodstone, is composed of red jasper and green epidote. The name heliotrope derives from ancient beliefs about the manner in which
Heliotrope_(bloodstone)
Sandstone with angular grains in a clay-fine matrix
Among other minerals found in them are biotite, chlorite, tourmaline, epidote, apatite, garnet, hornblende, augite, sphene and pyrites. The cementing
Greywacke
Easily split medium-grained metamorphic rock
Saint-Marcel, Valle d'Aosta, Italy Amphibole epidote schist with slickensides from Benguet, Philippines, showing epidote lens In geotechnical engineering a schistosity
Schist
Mineral assemblage in metamorphic rocks
chlorite + albite + quartz pumpellyite + chlorite + epidote + albite + quartz pumpellyite + epidote + stilpnomelane + muscovite + albite + quartz In metapelites:
Metamorphic_facies
Dumortierite Ekanite Elbaite Enstatite Bronzite Hypersthene Eosphorite Epidote Piemontite Erythrite Esperite Ettringite Euclase Eudialyte Euxenite Fayalite
List_of_gemstones_by_species
Rock-forming minerals with predominantly silicate anions
Mn)3Al2(BO3)(Si4O12)(OH) Ilvaite – CaFeII2FeIIIO(Si2O7)(OH) Epidote group (has both (SiO4)4− and (Si2O7)6− groups} Epidote – Ca2(Al,Fe)3O(SiO4)(Si2O7)(OH) Zoisite –
Silicate_mineral
Inosilicate of calcium and aluminium: Transitional to phyllosilicate
found associated with minerals such as datolite, calcite, apophyllite, epidote, stilbite, laumontite, and heulandite in veins and cavities of basaltic
Prehnite
Part of the valley of the North Toe River in North Carolina, US
hornblende, quartz, plagioclase, and andesine. Minor minerals include epidote, zoisite, garnet, and sphene. Metamorphic textures in these rocks can either
Spruce_Pine_Mining_District
2001 to 2014 French presence in the War in Afghanistan
the ISAF Opération Héraklès for the naval and air components Opération Épidote for training of the Afghan Army Opération Arès for special operations within
French_forces_in_Afghanistan
Rare-earth enriched sorosilicate mineral
called orthite) is a sorosilicate group of minerals within the broader epidote group that contain a significant amount of rare-earth elements. The mineral
Allanite
Cultural area in northwestern France
the rich subsoil of the Groix island, which comprises glaucophane and epidote. During the Quaternary glaciations, Brittany was covered by loess and rivers
Brittany
Sorosilicate mineral
secondary mineral in altered gabbro and diorite. Associate minerals include epidote, titanite, glaucophane, garnet and quartz. It is an uncommon constituent
Lawsonite
Class of minerals containing sulfide or disulfide as the major anion
minerals Unclassified silicates (IDs 9.H) Sorosilicates (IDs 9.B, e.g. epidote and seidozerite supergroups) Polymeric, isolated silicates (IDs 9.A, e
Sulfide_mineral
Rock composed of angular fragments
Basalt breccia in the Canary Islands; green groundmass is composed of epidote
Breccia
Pressure-temperature diagram of mineral stability ranges
= Epidote-Amphibolite facies, AM = Amphibolite facies, GRA = Granulite facies, UHT = Ultra-High Temperature facies, HAE = Hornfels-Albite-Epidote facies
Petrogenetic_grid
Mountain range in Antarctica
the Mincey Glacier, Thanksgiving Point, Mount Greenlee, Held Glacier, Epidote Peak, Geyasimou Glacier, Mount Cole, Forman Glacier, Mount Franke, Mount
Erb_Range
Island in Kujalleq, Greenland
Tunorleq island. This island is the type locality for allanite a member of the epidote mineral group. List of islands of Greenland Aluk Avalleq v t e
Aluk_Island
Metamorphic rock type
Metamorphic rocks composed primarily of amphibole, plagioclase, with subordinate epidote, zoisite, chlorite, quartz, titanite, and accessory leucoxene, ilmenite
Amphibolite
Rock consolidated from volcanic ash
filled with many secondary minerals, such as calcite, chlorite, quartz, epidote, or chalcedony; in microscopic sections, though, the nature of the original
Tuff
solid solution series with epidote by substitution of iron(III) in the aluminium (m3 site) and is also called aluminium epidote. Clinothulite is a manganese
Clinozoisite
Greenish rock found in British Columbia
Hyaloclastite). This material is commonly partly altered to chlorite, epidote, quartz and carbonate, for which the local term 'dallasite' has been coined
Dallasite
Class of high-grade medium to coarse grained metamorphic rocks
following may be mentioned: hornblende (not common), riebeckite (rare), epidote and zoisite, calcite, sphene, andalusite, sillimanite, kyanite, hercynite
Granulite
Nesosilicate mineral
transparent, with a light olive-green color, perched on matrix of calcite and epidote Bright green, twinned crystal of titanite with adularia and minor clinochlore
Titanite
Minerals containing the carbonate ion
minerals Unclassified silicates (IDs 9.H) Sorosilicates (IDs 9.B, e.g. epidote and seidozerite supergroups) Polymeric, isolated silicates (IDs 9.A, e
Carbonate_mineral
those of the felsites and porphyries. Mica, iron oxides, apatite, zircon, epidote and hornblende may also be present in small amount. The more micaceous
Halleflinta
Metamorphic rock
composed of grossular-andradite garnet, calcic pyroxene, vesuvianite, epidote and scapolite. Rodingites are common where mafic rocks are in proximity
Rodingite
Transitional concept of geologic time
occurs also in rocks of this group, and consists in the development of epidote from biotite, hornblende, augite or plagioclase feldspar. In 1967, J. Tuzo
Rock_cycle
Magnesium- and iron-rich extrusive igneous rock
because low-grade metamorphism of basalt produces chlorite, actinolite, epidote and other green minerals. As well as forming large parts of the Earth's
Basalt
State of matter
quartz (crystalline SiO2), feldspar, mica, chlorite, kaolin, calcite, epidote, olivine, augite, hornblende, magnetite, hematite, limonite and a few other
Solid
of beryl) Emmonsite Empressite Enargite Enstatite Eosphorite Ephesite Epidote Epsomite Ericssonite Erionite (series of zeolites) Erythrite Eskolaite
List_of_minerals
Fine-grained igneous rock, resulting from alteration of oceanic basalt
basalt, and composed of albite or oligoclase, together with chlorite, epidote, calcite, and actinolite. Spilite is veined by calcite or chalcedony, and
Spilite
Mountain range in North Carolina, United States
and sericite; and mafic lavas were replaced by chlorite, actinolite, and epidote. Compression also formed a slaty–phyllitic cleavage that flattened and
Uwharrie_Mountains
Mountain in the country of China
jadeite, a NaAl silicate (Si). It is a fine grained mixture of feldspar and epidote. It is currently marketed under the names, Dushan jade, Swiss jade (1st
Mount_Du
chemical formula Ca2(Al,Mn3+,Fe3+)3(SiO4)(Si2O7)O(OH). It is a member of the epidote group. Red to reddish-brown or red-black in color, piemontite has a red
Piemontite
State park in North Carolina, United States
accessory minerals include zircon, sphene, apatite, allanite, chlorite, epidote, and garnet. Its varies from granitic to granodioritic in composition.
Chimney_Rock_State_Park
Radiometric dating technique
the materials most useful for this technique. Additionally low-uranium epidotes and garnets may be used for very old samples (Paleozoic to Precambrian)
Fission_track_dating
Types of Gemstone found in Pakistan
Region Image Gemstones Notes Ref Swat Emerald, quartz, and epidote Various types of quartz are found in the region. The image shows a specimen of aquamarine
Gemstones_of_Pakistan
Chemical alteration of a rock by hydrothermal and other fluids
containing grossular-andradite garnet, calcic pyroxene, vesuvianite, epidote and scapolite. Fenite, as a variant of metasomatism associated with strongly
Metasomatism
Variety of monzonite, an igneous rock Epidosite – Hydrothermally altered epidote- and quartz-bearing rock Felsite – Very fine-grained volcanic rock that
List_of_rock_types
Nickel–Strunz 9 ed mineral class number 8 (isolated tetrahedral units, mainly)
minerals Unclassified silicates (IDs 9.H) Sorosilicates (IDs 9.B, e.g. epidote and seidozerite supergroups) Polymeric, isolated silicates (IDs 9.A, e
Phosphate_mineral
Epidote supergroup, sorosilicate mineral
Dollaseite-(Ce) is a sorosilicate end-member epidote rare-earth mineral which was discovered by Per Geijer (1927) in the Ostanmossa mine (Östanmossa gruva)
Dollaseite-(Ce)
Geologic formation in the eastern US
one is epidote-amygdaloid breccia and the other is mud-lump breccia. The epidote-amygdaloid breccia pieces of are in a matrix of quartz and epidote. Mud-lump
Catoctin_Formation
Mineral classification
minerals Unclassified silicates (IDs 9.H) Sorosilicates (IDs 9.B, e.g. epidote and seidozerite supergroups) Polymeric, isolated silicates (IDs 9.A, e
Dana_classification_system
Type of metavolcanic rock
is defined by the presence of the minerals glaucophane + ( lawsonite or epidote ) +/- jadeite +/- albite or chlorite +/- garnet +/- muscovite in a rock
Blueschist
Technique used to date materials such as rocks or carbon
best used. Older materials can be dated using zircon, apatite, titanite, epidote and garnet which have a variable amount of uranium content. Because the
Radiometric_dating
Elements that occur in nature as minerals in uncombined form
minerals Unclassified silicates (IDs 9.H) Sorosilicates (IDs 9.B, e.g. epidote and seidozerite supergroups) Polymeric, isolated silicates (IDs 9.A, e
Native_element_mineral
Change of minerals in pre-existing rocks without melting into liquid magma
they form. The metamorphic grades of aureoles at shallow depth are albite-epidote hornfels, hornblende hornfels, pyroxene hornfels, and sillimanite hornfels
Metamorphism
Peak El Capitan Elephants Back Elsinore Peak Emerald Peak Eocene Peak Epidote Peak Estelle Mountain Falcor Peak Feather Peak Fin Dome Finger Peaks Fletcher
List of mountains of the United States
List_of_mountains_of_the_United_States
Range of hills in central England
rock types difficult. Mineral deposits such as haematite, calcite and epidote can be seen within these features. There is a tiny, man-made cave near
Malvern_Hills
Commune in Brittany, France
the island, particularly blue glaucophane (observable on the surface), epidote or garnet.[citation needed] The island mainly consists of schist.[citation
Groix
Silver mine in Coahuila, Mexico
sulfosalts within phyllic (sericite–pyrite–quartz) and proplytic (chlorite–epidote–pyrite) hydrothermal alteration envelopes. Where the diatremes intersect
Peñasquito_Mine
Visible shape of a mineral
generally separated and have different lengths). aenigmatite, atacamite, epidote, pyrophyllite, stibnite Reticulated Cerussite Rutile Crystals forming triangular
Crystal_habit
Coordinated missions, operations and projects
French Special Forces contribution to the operation Enduring Freedom. Épidote (2002–2014) — French Army training of Afghan Army officers. Héraclès (2001–2002)
List_of_military_operations
Sandstone monolith in the Northern Territory, Australia
subrounded basalt, invariably replaced to various degrees by chlorite and epidote. The minerals present suggest derivation from a predominantly granite source
Uluru
light spots are plagioclase, which over time has turned into albite and epidote. In places, iron minerals have oxidized into hematite, giving it a reddish
Lapis_Lacedaemonius
Geothermally active area in southern Bolivia
throughout the layers, forming from top to bottom layers rich clays, silica and epidote; each of these layers is several hundred metres thick. Basement rocks were
Sol_de_Mañana
Effect of a material on light
036 0.021 Whe Vinay wellite 0.034 — Gypsum 0.033 0.008 Alabaster 0.033 — Epidote 0.03 0.012–0.027 Tanzanite 0.030 0.011 Thulite 0.03 0.011 Zoisite 0.03
Dispersion_(optics)
Nesosilicate mineral
Norway. Associated minerals include prehnite, danburite, babingtonite, epidote, native copper, calcite, quartz and zeolites. It is common in the copper
Datolite
Group of phyllosilicate minerals
sericite, and garnet, and is also found in associate with actinolite and epidote. In his pioneering work on metamorphic facies in the Scottish Highlands
Chlorite_group
Single chain calcium inosilicate (CaSiO3)
Associated minerals include garnets, vesuvianite, diopside, tremolite, epidote, plagioclase feldspar, pyroxene and calcite. It is named after the English
Wollastonite
Nesosilicate mineral species of garnet
(typically titaniferous). Associated minerals include vesuvianite, chlorite, epidote, spinel, calcite, dolomite and magnetite. It is found in Iran, Italy, the
Andradite
Uplifted and exposed oceanic crust
iron-rich sulfide deposits are found above highly altered epidosites (epidote-quartz rocks) that are evidence of relict black smokers, which continue
Ophiolite
Uniaxial (-) 0.003 None Enstatite Orthorhombic Biaxial (+) 0.011 None Epidote Monoclinic Biaxial (-) 0.046 None Garnet Cubic None (isotropic) N/A N/A
List of minerals by optical properties
List_of_minerals_by_optical_properties
Chemical reaction between minerals within metamorphic rock
Abbreviations of minerals: act = actinolite; chl = chlorite; ep = epidote; gt = garnet; hbl = hornblende; plag = plagioclase. Two minerals
Metamorphic_reaction
Liebscher A, Menchetti S, Pan Y, Pasero M (2006). "Recommended nomenclature of epidote-group minerals". European Journal of Mineralogy. 18 (5): 551–567. Bibcode:2006EJMin
List of minerals recognized by the International Mineralogical Association
List_of_minerals_recognized_by_the_International_Mineralogical_Association
Allanite 9.BG.05b Allanite-(Ce) (epidote, allanite: IMA1987 s.p., 1812) 9.BG.05b [220] [221] [222] Allanite-(La) (epidote, allanite: IMA2003-065) 9.BG.05b
List of minerals recognized by the International Mineralogical Association (A)
List_of_minerals_recognized_by_the_International_Mineralogical_Association_(A)
minerals Unclassified silicates (IDs 9.H) Sorosilicates (IDs 9.B, e.g. epidote and seidozerite supergroups) Polymeric, isolated silicates (IDs 9.A, e
List of minerals recognized by the International Mineralogical Association (I)
List_of_minerals_recognized_by_the_International_Mineralogical_Association_(I)
minerals Unclassified silicates (IDs 9.H) Sorosilicates (IDs 9.B, e.g. epidote and seidozerite supergroups) Polymeric, isolated silicates (IDs 9.A, e
List of minerals recognized by the International Mineralogical Association (O)
List_of_minerals_recognized_by_the_International_Mineralogical_Association_(O)
Variety of marble
a marble with crystals between 0.2 and 0.6 mm, with coloured veins of epidote and chlorite. A marble similar in appearance was mined in the Iberian peninsula
Cipollino_marble
Type of copper ore body
may be manifested as pebble dikes. The deposits typically have an outer epidote – chlorite mineral alteration zone. A quartz – sericite alteration zone
Porphyry_copper_deposit
granite, gneiss, and mafic igneous rocks. Some clasts have been partially epidotized. The matrix is dominated by epidote (green), quartz, and tremolite.
Metaconglomerate
Type of ore
digenite and chalcocite. Alteration is a mixture of sodic-calcic (albite-epidote) to potassic (K-feldspar) in style, and may vary from province to province
Iron oxide copper gold ore deposits
Iron_oxide_copper_gold_ore_deposits
Sedimentary rocks made of mineral or rock fragments
Basalt breccia, green groundmass is composed of epidote
Clastic_rock
Intrusive rocks with typical granitic composition
minerals of TTG rocks include biotite, amphiboles (e.g., hornblende), epidote, and zircon. Geochemically, TTG rocks often have a high silica (SiO2) content
Tonalite–trondhjemite–granodiorite
Tonalite–trondhjemite–granodiorite
Scheme for categorizing minerals
minerals Unclassified silicates (IDs 9.H) Sorosilicates (IDs 9.B, e.g. epidote and seidozerite supergroups) Polymeric, isolated silicates (IDs 9.A, e
Nickel–Strunz_classification
minerals Unclassified silicates (IDs 9.H) Sorosilicates (IDs 9.B, e.g. epidote and seidozerite supergroups) Polymeric, isolated silicates (IDs 9.A, e
List of minerals recognized by the International Mineralogical Association (R)
List_of_minerals_recognized_by_the_International_Mineralogical_Association_(R)
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