Pink Granite
Phaneritic Felsic Igneous Rock (composed primarily of Orthoclase Feldspar and Quartz)
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Pink Granite
Phaneritic Felsic Igneous Rock (composed primarily of Orthoclase Feldspar and Quartz)
Granite
Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)
Pumice
Pumice (a highly vesicular volcanic rock)
Obsidian (Black Obsidian)
Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)
Malachite Coating on Host Rock
Malachite [Cu2CO3(OH)2]
Granite
Granite (felsic intrusive igneous rock)
Green Jasper / Chert
Microcrystalline Quartz (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Quartz
Silicon Dioxide (SiO2)
Citrine
SiO2 (Silicon Dioxide)
Dolomite
Dolomite (CaMg(CO3)2)
Charoite
Charoite (K(Ca,Na)2Si4O10(OH,F)·nH2O)
Granite
Granite (a felsic intrusive igneous rock)
Epidote
Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Dalmatian Jasper
Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)
Azurite with Malachite
Azurite: Cu3(CO3)2(OH)2 / Malachite: Cu2CO3(OH)2
Lepidolite
K(Li,Al)3(Al,Si,IV)4O10(F,OH)2
Jasper
Microcrystalline Quartz (SiO2)
Greenstone (Epidisite / Chlorite Schist)
Metabasalt (often contains Epidote Ca2Al2(Fe3+,Al)(SiO4)(Si2O7)O(OH) and Chlorite)
Lepidolite on Matrix
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Mica Schist
Mica Schist (predominantly Muscovite/Biotite)
Jasper
Microcrystalline Quartz (SiO2)
Basalt (Vesicular/Waterworn)
Basalt (Mafic Extrusive Igneous Rock)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Fluorite
Calcium Fluoride (CaF2)
Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS) with Quartz (SiO2)
Feldspar
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8 (Feldspar group)
Red Jasper
SiO2 (Silicon Dioxide with Iron Oxide inclusions)
Citrine
SiO2 (Silicon Dioxide)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Mineral and Rock Collection (Assorted)
Mixed collection including Quartz (SiO2), Jasper (SiO2 with impurities), Rose Quartz, and Aventurine
Obsidian (likely black volcanic glass)
Obsidian; naturally occurring rhyolitic glass, primarily SiO₂
Granodiorite
Granodiorite (Intermediate intrusive igneous rock)
Pumice
Pumice (Vesicular Volcanic Glass)
Diabase (Dolerite)
Diabase / Dolerite
Rhyolite (Porphyritic)
Rhyolite (Felsic Extrusive Igneous Rock)
Brown Chert
Microcrystalline Quartz (SiO2)
Lepidolite
K(Li,Al)3(Al,Si,3O10)(F,OH)2
Rhodonite
Manganese Silicate (MnSiO₃)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)