Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Category
Browse mixed (sedimentary, igneous, and metamorphic) specimens identified by the Rock Identifier community.
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Sunstone
Plagioclase feldspar (with Copper or Hematite inclusions)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Labradorite
Labradorite (Plagioclase Feldspar Series - (Ca, Na)(Al, Si)4O8)
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
Hypersthene
Hypersthene (Enstatite variety), (Mg,Fe)SiO3
Smoky Quartz
Silicon Dioxide (SiO2)
Garnet
Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3
Smoky Quartz
Silicon Dioxide (SiO2)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Prehnite
Prehnite - Ca2Al(AlSi3O10)(OH)2
Quartz Crystal
Silicon Dioxide (SiO2)
Garnet (likely Almandine or Pyrope)
Garnet Group (Fe3Al2Si3O12 or Mg3Al2Si3O12)
Pyrite (or Fool's Gold)
Pyrite (FeS₂)
Green Schist
Greenschist (composed of Chlorite, Actinolite, and Epidote)
Drill Core Samples (Varied Lithology)
Multi-lithological core samples (containing potential granite, marble, and phyllite/schist sequence)
Blue Kyanite
Kyanite (Al2SiO5)
Amphibolite with Hornblende
Amphibole-rich Metamorphic Rock (Ca2(Mg,Fe)5Si8O22(OH)2)
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
Dalmation Stone
Dalmation Jasper (Igneous microcrystalline quartz with arfvedsonite)
Green Aventurine
Aventurine (a variety of Quartz, SiO2)
Sapphire (Corundum variety)
Sapphire (Al₂O₃)
Mica Schist
Mica Schist (primarily composed of Muscovite/Biotite)
Marble
Metamorphosed Limestone (mainly CaCO3)
Nuummite
Nuummite (Orthoamphibole rock composed of Anthophyllite and Gedrite, (Mg,Fe)7Si8O22(OH)2)
Epidosite (Epidote-rich rock)
Epidotalite (primarily Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH))
Unakite
Unakite (Epidotized Granite)
Moonstone
Potassium aluminum silicate (KAlSi3O8) with Albite (NaAlSi3O8)
Milky Quartz
Silicon Dioxide (SiO2)
Ruby (Raw Corundum)
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
Green Quartz (Prasiolite/Adventurine)
Silicon Dioxide (SiO2) with inclusions
Muscovite Mica (on Quartz Matrix)
Muscovite - KAl2(AlSi3O10)(OH)2
Sugilite
KNa2(Fe,Mn,Al)2Li3Si12O30 (Potassium Sodium Lithium Iron Manganese Aluminum Silicate)
Rough Sapphire
Corundum (Al2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Citrine Quartz
Crystalline Quartz (SiO2 with iron impurities)
Smoky Quartz
Smoky Quartz (SiO2: Silicon Dioxide)