Rock Identifier

Category

Igneous

Browse igneous specimens identified by the Rock Identifier community.

Moonstone (Orthoclase feldspar (KAlSi3O8)) — mineral

Moonstone

Orthoclase feldspar (KAlSi3O8)

mineral
Citrine (Citrine (Silicon Dioxide, SiO2)) — mineral

Citrine

Citrine (Silicon Dioxide, SiO2)

mineral
Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

mineral
Moonstone (Orthoclase Feldspar ((K,Na)AlSi3O8)) — mineral

Moonstone

Orthoclase Feldspar ((K,Na)AlSi3O8)

mineral
Labradorite (Labradorite (Plagioclase Feldspar series; (Ca,Na)(Al,Si)4O8)) — mineral

Labradorite

Labradorite (Plagioclase Feldspar series; (Ca,Na)(Al,Si)4O8)

mineral
Citrine (Silicon Dioxide (SiO2) with iron impurities) — mineral

Citrine

Silicon Dioxide (SiO2) with iron impurities

mineral
Clear Quartz (Silicon dioxide (SiO2)) — mineral

Clear Quartz

Silicon dioxide (SiO2)

mineral
Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

mineral
Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese

mineral
Yellow Quartz (Citrine Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine Quartz)

Silicon Dioxide (SiO2)

mineral
Biotite (Mica) (Biotite - K(Mg,Fe)3AlSi3O10(F,OH)2) — mineral

Biotite (Mica)

Biotite - K(Mg,Fe)3AlSi3O10(F,OH)2

mineral
Milky Quartz with Iron Inclusions (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

mineral
Smoky Quartz with Calcite/Quartz Veining (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz with Calcite/Quartz Veining

Silicon Dioxide (SiO2)

mineral
Nephrite Jade (Ca2(Mg, Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)) — metamorphic

Nephrite Jade

Ca2(Mg, Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)

metamorphic
Carnelian Agate (Chalcedony (SiO2 with iron oxide impurities)) — mineral

Carnelian Agate

Chalcedony (SiO2 with iron oxide impurities)

mineral
Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

mineral
Orthoclase Feldspar (Potassium Aluminum Silicate (KAlSi3O8)) — mineral

Orthoclase Feldspar

Potassium Aluminum Silicate (KAlSi3O8)

mineral
Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

mineral
Rutilated Quartz (with Garnet pendant) (Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions) — mineral

Rutilated Quartz (with Garnet pendant)

Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions

mineral
Clear Quartz Crystal (Silicon Dioxide (SiO2)) — mineral

Clear Quartz Crystal

Silicon Dioxide (SiO2)

mineral
Rough Sapphire (Corundum) (Corundum (Al2O3)) — mineral

Rough Sapphire (Corundum)

Corundum (Al2O3)

mineral
Rose Quartz (Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)) — mineral

Rose Quartz

Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)

mineral
Carnelian (Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Carnelian (Chalcedony)

Silicon Dioxide (SiO2)

mineral
Rose Quartz (Rose Quartz (SiO2 - Silicon Dioxide with trace amounts of titanium, iron, or manganese)) — mineral

Rose Quartz

Rose Quartz (SiO2 - Silicon Dioxide with trace amounts of titanium, iron, or manganese)

mineral
Bornite (Bornite (Cu5FeS4)) — mineral

Bornite

Bornite (Cu5FeS4)

mineral
Hypersthene (Hypersthene (formula: (Mg,Fe)SiO3)) — mineral

Hypersthene

Hypersthene (formula: (Mg,Fe)SiO3)

mineral
Labradorite (Feldspar) (Labradorite, (Ca,Na)(Al,Si)4O8) — mineral

Labradorite (Feldspar)

Labradorite, (Ca,Na)(Al,Si)4O8

mineral
Unidentifiable Rock Fragment — Uncertain

Unidentifiable Rock Fragment

Uncertain
Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

mineral
Biotite Schist (Biotite Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)) — metamorphic

Biotite Schist

Biotite Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)

metamorphic
Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

mineral
Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

mineral
Blue Apatite (Apatite, Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite, Ca5(PO4)3(F,Cl,OH)

mineral
Eudialyte (Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2) — Mineral

Eudialyte

Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2

Mineral
Citrine Quartz (Citrine (Silicon Dioxide, SiO2)) — mineral

Citrine Quartz

Citrine (Silicon Dioxide, SiO2)

mineral
Moss Agate (Chalcedony (SiO2) with inclusions of manganese or iron oxides) — mineral

Moss Agate

Chalcedony (SiO2) with inclusions of manganese or iron oxides

mineral
Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

mineral
Bornite (Peacock Ore) (Bornite (Cu5FeS4)) — mineral

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

mineral
Peridot in Basalt (Olivine ((Mg, Fe)2SiO4) in Basalt) — mineral

Peridot in Basalt

Olivine ((Mg, Fe)2SiO4) in Basalt

mineral
Ruby Zoisite (Anyolite (Composition of Green Zoisite, Black Tschermakite, and Red Corundum)) — metamorphic

Ruby Zoisite

Anyolite (Composition of Green Zoisite, Black Tschermakite, and Red Corundum)

metamorphic
Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Quartz (Milky or White Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or White Quartz)

Silicon Dioxide (SiO2)

mineral