Epidote
Epidote - Ca2(Al2,Fe3+)3(SiO4)3(OH)
mineral
Category
Mineral (Tectosilicate)
Browse mineral (tectosilicate) specimens identified by the Rock Identifier community.
Learn about Mineral (Tectosilicate) in the encyclopedia
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Synthetic Resin (Artificial Specimen)
Polyurethane or Polyester Resin
mineraloid (man-made)
![Biotite Schist (Biotite-rich Schist [K(Mg,Fe)3AlSi3O10(F,OH)2]) — metamorphic](https://media.rock.id/9ca564b5-bc87-402b-965a-69b21f9aa6bf-thumbnail.jpg)
Biotite Schist
Biotite-rich Schist [K(Mg,Fe)3AlSi3O10(F,OH)2]
metamorphic
Mineral and Rock Collection (Assorted)
Mixed collection including Quartz (SiO2), Jasper (SiO2 with impurities), Rose Quartz, and Aventurine
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Granite with Epidote
Granite, containing quartz, feldspar, and epidote
Igneous
Granite
Phaneritic Plutonic Felsic Rock
igneous
Fluorite
Calcium Fluoride (CaF2)
mineral
Orthoclase Feldspar with Quartz
Orthoclase (KAlSi3O8)
mineral
Pink Granite Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Yooperlite (Sodalite-bearing Syenite)
Sodalite-rich Syenite
igneous
Mixed Mineral Collection (with Titanium Aura Quartz)
Silicon Dioxide (SiO2) with metallic coatings and various silicates
mineral
Gneiss with Quartz Veining
Gneiss (High-grade Metamorphic Rock)
metamorphic
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Schist
Schist (various mineralogical compositions including mica, chlorite, talc, etc.)
Metamorphic
Banded Gneiss (Variety of Gneiss)
Gneiss (specifically, a variety exhibiting prominent banding; mineral composition can vary, but often contains quartz, feldspar, mica, and amphibole)
Metamorphic Rock
Sandstone
Sandstone (composed primarily of sand-sized minerals or rock grains)
sedimentary
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
mineral
Potassium Feldspar (Orthoclase)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Basalt with Secondary Mineralization (Likely Zeolites or Calcite)
Aphanitic mafic volcanic rock with secondary mineral inclusions (e.g., CaAl2Si3O10·3H2O for Scolecite)
igneous
Shale
Shale (clastic sedimentary rock)
Sedimentary
Granitic Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Fluorite
Calcium Fluoride (CaF2)
mineral
Apatite
Fluorapatite, Chlorapatite, and Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Gneiss
Gneiss
metamorphic
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Pink Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
mineral
Fossil Shark Tooth
Carcharocles (Otodus) sp. or similar fossilized Chondrichthyes tooth
sedimentary
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Drill Core Samples (Varied Lithology)
Multi-lithological core samples (containing potential granite, marble, and phyllite/schist sequence)
igneous, sedimentary, and metamorphic
Sandstone with Secondary Mineral Encrustation
Arenite with Silica/Calcite deposits (SiO2 or CaCO3)
sedimentary
Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color)
Calcite
Mineral
Nephrite Jade
Nephrite
Mineral/Rock
Fluorite (Fluor-spar)
Calcium Fluoride (CaF2)
mineral
Fluorite with Quartz
Fluorite (CaF2) and Quartz (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Chrysocolla on Matrix
Hydrated copper silicates ((Cu,Al)2H2Si2O5(OH)4·nH2O)
mineral