Rock Identifier

Category

Mineral (Organic Gemstone)

Browse mineral (organic gemstone) specimens identified by the Rock Identifier community.

Milky Quartz (Quartz (Silica / Silicon Dioxide), SiO2) — mineral

Milky Quartz

Quartz (Silica / Silicon Dioxide), SiO2

Malachite (Copper carbonate hydroxide [Cu2CO3(OH)2]) — Mineral

Malachite

Copper carbonate hydroxide [Cu2CO3(OH)2]

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

Sodalite

Sodalite - Na8(Al6Si6O24)Cl2

Blue Sapphire (Ceylon) (Corundum (Al2O3) with traces of Iron and Titanium) — mineral

Blue Sapphire (Ceylon)

Corundum (Al2O3) with traces of Iron and Titanium

Carnelian Agate/Jasper blend (Silicon Dioxide (SiO2) - variety of Chalcedony) — mineral

Carnelian Agate/Jasper blend

Silicon Dioxide (SiO2) - variety of Chalcedony

Peridot (Olivine ((Mg,Fe)2SiO4)) — Mineral

Peridot

Olivine ((Mg,Fe)2SiO4)

Red Jasper (Jasper (Silicon Dioxide with Iron Oxide impurities), formula: SiO2) — mineral

Red Jasper

Jasper (Silicon Dioxide with Iron Oxide impurities), formula: SiO2

Carnelian (Silicon dioxide (SiO2) with Iron Oxide impurities (Fe2O3)) — mineral

Carnelian

Silicon dioxide (SiO2) with Iron Oxide impurities (Fe2O3)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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

Rose Quartz

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

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

Rough Dark Green Sapphire

Corundum (Al2O3)

Amazonite (Tumbled Chips) (Potassium Feldspar (KAlSi3O8)) — mineral

Amazonite (Tumbled Chips)

Potassium Feldspar (KAlSi3O8)

Amethyst (Amethyst (Silicon Dioxide - SiO2 with Iron impurities)) — mineral

Amethyst

Amethyst (Silicon Dioxide - SiO2 with Iron impurities)

Rose Quartz (Silicon dioxide (SiO2)) — mineral

Rose Quartz

Silicon dioxide (SiO2)

Smoky Quartz (SiO2 (Silicon Dioxide)) — mineral

Smoky Quartz

SiO2 (Silicon Dioxide)

Sphalerite (Zinc Sulfide (Zn,Fe)S) — mineral

Sphalerite

Zinc Sulfide (Zn,Fe)S

Carnelian Agate (Silicon Dioxide (SiO2)) — mineral

Carnelian Agate

Silicon Dioxide (SiO2)

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

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

Quartz (Milky or Common Quartz)

Silicon Dioxide (SiO2)

Dalmatian Stone (Dalmatian Jasper (Aplitic Rock)) — igneous

Dalmatian Stone

Dalmatian Jasper (Aplitic Rock)

Jasper (Silicon Dioxide (SiO2)) — sedimentary

Jasper

Silicon Dioxide (SiO2)

Turquoise (Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]) — Mineral

Turquoise

Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]

Blue Zircon (Zirconium Silicate (ZrSiO4)) — mineral

Blue Zircon

Zirconium Silicate (ZrSiO4)

Tanzanite (Rough) (Blue Zoisite (Ca2Al3(SiO4)3(OH))) — mineral

Tanzanite (Rough)

Blue Zoisite (Ca2Al3(SiO4)3(OH))

Quartz (Milky or Grainy Variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Grainy Variety)

Silicon Dioxide (SiO2)

Blue Quartz (potentially Dumortierite-included) (Silicon Dioxide (SiO2) with inclusions) — mineral

Blue Quartz (potentially Dumortierite-included)

Silicon Dioxide (SiO2) with inclusions

Quartz (Milky/Clear variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

Bumble Bee Jasper (Volcanic Tuff (mixture of SiO2, CaCo3, S, and As2S3)) — igneous

Bumble Bee Jasper

Volcanic Tuff (mixture of SiO2, CaCo3, S, and As2S3)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Milky or Druzy variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Druzy variety)

Silicon Dioxide (SiO2)

Graphic Granite (Graphic Pegmatite) — igneous

Graphic Granite

Graphic Pegmatite

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Red Jasper (Silicon dioxide (SiO2) with iron oxide inclusions) — sedimentary

Red Jasper

Silicon dioxide (SiO2) with iron oxide inclusions

Granite (Granite) — igneous

Granite

Granite

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Milky and Citrine-type Quartz (Silicon Dioxide (SiO2)) — mineral

Milky and Citrine-type Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz (Specifically Clear to Smoky Quartz point) (Silicon Dioxide (SiO2)) — mineral

Quartz (Specifically Clear to Smoky Quartz point)

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Milky Quartz / Quartzite) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky Quartz / Quartzite)

Silicon Dioxide (SiO2)

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

Clear Quartz (Crystal Quartz)

Silicon Dioxide (SiO2)