Rough Apatite in Matrix
Fluorapatite / Chlorapatite / Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))
Category
Browse igneous or mineral specimens identified by the Rock Identifier community.
Rough Apatite in Matrix
Fluorapatite / Chlorapatite / Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))
Prehnite
Ca2Al(AlSi3O10)(OH)2
Quartz (Milky/Snow)
Silicon Dioxide (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Granite
Intrusive Igneous Rock (Felsic)
Basalt with Vesicular Amygdule
Extrusive igneous rock (Mafic)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Sodalite
Sodalite - Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
Polished garnet bead (likely almandine)
Almandine garnet, Fe₃Al₂(SiO₄)₃ (tentative visual identification)
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
Milky Quartz in Epidote Host Rock
Crystalline Silicon Dioxide (SiO2) with Epidote Ca2(Al,Fe)3(SiO4)3(OH)
Amygdaloidal Basalt
Mafic extrusive igneous rock with secondary mineral infills
Polished granite countertop with fossil shell
Granite; shell likely a fossilized bivalve or gastropod
Tumbled sodalite
Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂
Granite
Intrusive Igneous Rock
Granite
Phaneritic Felsic Igneous Rock
Copper Ore
Chalcopyrite in host rock (CuFeS2)
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
Green Fluorite
Calcium Fluoride (CaF2)
Blue Apatite
Fluoroapatite (Ca5(PO4)3F)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Quartz Mineral
Silicon Dioxide (SiO2)
Granite Pebble
Intrusive Igneous Rock
Granite
Intrusive Igneous Rock
Likely tumbled hematite or magnetite
Hematite (Fe₂O₃) or magnetite (Fe₃O₄)
Milky Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
Dalmatian Jasper
Aplite with Arfvedsonite inclusions
Quartz pebble
Silicon dioxide (SiO2)
Granite
Intrusive Igneous Rock
Granite
Intrusive Igneous Rock
Granite
Intrusive Igneous Rock
Granite
Plutonic Igneous Rock
Basalt
Extrusive Igneous Rock
Granite
Intrusive Igneous Rock
Granite Pebble
Intrusive Igneous Rock
Granite
Intrusive Igneous Rock