Rock Identifier

Category

Mineral, Jewelry

Browse mineral, jewelry specimens identified by the Rock Identifier community.

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

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Jasper (specifically Polychrome or Desert Jasper) (Silicon Dioxide with impurities (SiO2)) — Mineral

Jasper (specifically Polychrome or Desert Jasper)

Silicon Dioxide with impurities (SiO2)

Chert (Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper)

Silicon Dioxide (SiO2)

Malachite (Copper Carbonate Hydroxide [Cu2CO3(OH)2]) — mineral

Malachite

Copper Carbonate Hydroxide [Cu2CO3(OH)2]

Sodalite Syenite (popularly known as Yooperlite) (Sodalite-rich Syenite (composed of alkali feldspar and sodalite)) — Igneous

Sodalite Syenite (popularly known as Yooperlite)

Sodalite-rich Syenite (composed of alkali feldspar and sodalite)

Tumbled Stone Collection (featuring Tiger's Eye, Rose Quartz, and Moss Agate) (Mixed Silicates and Oxides (predominantly SiO2 group minerals)) — mineral

Tumbled Stone Collection (featuring Tiger's Eye, Rose Quartz, and Moss Agate)

Mixed Silicates and Oxides (predominantly SiO2 group minerals)

Quartz (Druzy on Matrix) (Silicon Dioxide (SiO2)) — mineral

Quartz (Druzy on Matrix)

Silicon Dioxide (SiO2)

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

Blue Apatite

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

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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)

Banded Chert (Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert (Jasper)

Silicon Dioxide (SiO2)

Dyed Quartz (imitating Emerald/Green Quartz) (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Quartz (imitating Emerald/Green Quartz)

Silicon Dioxide (SiO2) with artificial pigment

Moonstone (Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)) — mineral

Moonstone

Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)

Septarian Nodule (Septarian Stone) (Septarian Concretion (CaCO3 with Siderite/Calcite/Aragonite)) — sedimentary

Septarian Nodule (Septarian Stone)

Septarian Concretion (CaCO3 with Siderite/Calcite/Aragonite)

Carnelian (Carnelian (SiO2 with Iron oxide impurities)) — Mineral (Chalcedony variety)

Carnelian

Carnelian (SiO2 with Iron oxide impurities)

Mineral (Chalcedony variety)

Obsidian (Amorphous volcanic glass (primarily SiO2)) — igneous

Obsidian

Amorphous volcanic glass (primarily SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Green Chalcedony (likely Chrysoprase or Green Onyx) (Silicon Dioxide (SiO2) with trace nickel or chromium inclusions) — mineral

Green Chalcedony (likely Chrysoprase or Green Onyx)

Silicon Dioxide (SiO2) with trace nickel or chromium inclusions

Carnelian Agate (Silicon Dioxide (SiO2)) — mineral

Carnelian Agate

Silicon Dioxide (SiO2)

Charoite (Charoite (K(Ca,Na)2Si4O10(OH,F)·H2O)) — mineral

Charoite

Charoite (K(Ca,Na)2Si4O10(OH,F)·H2O)

Blue Sapphire (faceted in jewelry) (Corundum (Al2O3)) — mineral

Blue Sapphire (faceted in jewelry)

Corundum (Al2O3)

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

Pyrite (Fool's Gold) in Matrix

Iron Sulfide (FeS2)

Amethyst (Silicon Dioxide with trace Iron (SiO2)) — mineral

Amethyst

Silicon Dioxide with trace Iron (SiO2)

Jasper with Quartz Vein (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper with Quartz Vein

Silicon Dioxide (SiO2) with impurities

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Unakite (Epidotized Granite) — metamorphic

Unakite

Epidotized Granite

Green Aventurine (Silicon Dioxide (Quartz) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)) — metamorphic

Green Aventurine

Silicon Dioxide (Quartz) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)

Diamond (set in Gold) (Diamond (pure carbon, C)) — mineral

Diamond (set in Gold)

Diamond (pure carbon, C)

Banded Agate (Tumbled) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Banded Agate (Tumbled)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Carnelian Agate (Silicon Dioxide (SiO2) with Iron Impurities) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) with Iron Impurities

Diamond (Diamond (pure Carbon, C)) — mineral

Diamond

Diamond (pure Carbon, C)

Unakite (Epidotized Granite) (Unakite; primarily composed of Epidote (Ca2(Al,Fe)3(SiO4)3(OH)), Orthoclase (KAlSi3O8), and Quartz (SiO2)) — Metamorphic

Unakite (Epidotized Granite)

Unakite; primarily composed of Epidote (Ca2(Al,Fe)3(SiO4)3(OH)), Orthoclase (KAlSi3O8), and Quartz (SiO2)

Limonite (Gozzany Iron) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Gozzany Iron)

Limonite (FeO(OH)·nH2O)

Smoky Quartz (Smoky Quartz (SiO

₂)) — Mineral

Smoky Quartz

Smoky Quartz (SiO ₂)

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing mica)) — mineral

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing mica)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Howlite (Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)) — mineral

Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Yellow Quartz (Citrine or Iron-Stained Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine or Iron-Stained Quartz)

Silicon Dioxide (SiO2)

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

Labradorite

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

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities