Rock Identifier

Category

Mineral (Gemstone Variety Of Beryl)

Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.

Druzy Agate (specifically Black Druzy Agate) (Silicon Dioxide (SiO2)) — mineral

Druzy Agate (specifically Black Druzy Agate)

Silicon Dioxide (SiO2)

Chrysocolla (Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)) — mineral

Chrysocolla

Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

Amethyst or Smoky Quartz Geode Slice (Crystalline Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst or Smoky Quartz Geode Slice

Crystalline Silicon Dioxide (SiO2) with iron impurities

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

Amethyst Quartz

Silicon Dioxide (SiO2) with iron impurities

Rainbow Hematite (Man-made/Treated) (Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)) — mineral

Rainbow Hematite (Man-made/Treated)

Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)

Green Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

Moonstone (Orthoclase feldspar (KAlSi3O8)) — mineral

Moonstone

Orthoclase feldspar (KAlSi3O8)

Chrysocolla in Quartz (Gem Silica) (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) / SiO2 (Quartz)) — mineral

Chrysocolla in Quartz (Gem Silica)

Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) / SiO2 (Quartz)

Banded Agate (Agate (Cryptocrystalline Quartz, SiO2)) — mineral

Banded Agate

Agate (Cryptocrystalline Quartz, SiO2)

Turquoise (Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O

Amethyst (Amethyst (Purple Quartz); formula: SiO2 (Silicon Dioxide)) — mineral

Amethyst

Amethyst (Purple Quartz); formula: SiO2 (Silicon Dioxide)

Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30 (Potassium Sodium Lithium Iron Manganese Aluminum Silicate)) — mineral

Sugilite

KNa2(Fe,Mn,Al)2Li3Si12O30 (Potassium Sodium Lithium Iron Manganese Aluminum Silicate)

Mookaite Jasper (Silicified radiolarite (SiO2)) — sedimentary

Mookaite Jasper

Silicified radiolarite (SiO2)

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

Amethyst

Amethyst (Silicon Dioxide, SiO2)

Lake Superior Agate (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — sedimentary

Lake Superior Agate

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Brecciated Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Brecciated Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

Tiger's Eye (Unpolished) (Pseudomorph of Quartz after Crocidolite (SiO2)) — metamorphic

Tiger's Eye (Unpolished)

Pseudomorph of Quartz after Crocidolite (SiO2)

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Sunstone (Aventurine Feldspar (composition: (Ca,Na)((Al,Si)2Si2O8))) — mineral

Sunstone

Aventurine Feldspar (composition: (Ca,Na)((Al,Si)2Si2O8))

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

Peridot

Olivine ((Mg, Fe)2SiO4)

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

Amethyst

Silicon Dioxide (SiO2) with Iron impurities

Amethyst (Amethyst (Varietal of Quartz), SiO2 (Silicon Dioxide)) — mineral

Amethyst

Amethyst (Varietal of Quartz), SiO2 (Silicon Dioxide)

Amethyst (Quartz (Silicon Dioxide) with Iron impurities, SiO2) — mineral

Amethyst

Quartz (Silicon Dioxide) with Iron impurities, SiO2

Sunstone (Oligoclase (a plagioclase feldspar variant), (Na,Ca)(Al,Si)4O8) — mineral

Sunstone

Oligoclase (a plagioclase feldspar variant), (Na,Ca)(Al,Si)4O8

Olivine (Peridot) (Olivine Group (Mg,Fe)2SiO4) — mineral

Olivine (Peridot)

Olivine Group (Mg,Fe)2SiO4

Rhodonite, Gray Moonstone, and White Feldspar Mix (Multiple: MnSiO3 (Rhodonite), (K,Na)AlSi3O8 (Feldspar/Moonstone)) — mineral

Rhodonite, Gray Moonstone, and White Feldspar Mix

Multiple: MnSiO3 (Rhodonite), (K,Na)AlSi3O8 (Feldspar/Moonstone)

Rhodonite (Rhodonite (Manganese Silicate), chemical formula: (Mn,Fe,Mg,Ca)SiO3) — Mineral

Rhodonite

Rhodonite (Manganese Silicate), chemical formula: (Mn,Fe,Mg,Ca)SiO3

Carnelian (Carnelian (Chalcedony / SiO2)) — mineral

Carnelian

Carnelian (Chalcedony / SiO2)

Tanzanite (Blue/Violet Zoisite (Ca2Al3(SiO4)(Si2O7)O(OH))) — mineral

Tanzanite

Blue/Violet Zoisite (Ca2Al3(SiO4)(Si2O7)O(OH))

Diamond (in a jewelry setting) (Cubic Carbon (C)) — mineral

Diamond (in a jewelry setting)

Cubic Carbon (C)

Rhodonite (Manganese Silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Moonstone (Orthoclase (KAlSi3O8) with inclusions of Albite (NaAlSi3O8)) — mineral

Moonstone

Orthoclase (KAlSi3O8) with inclusions of Albite (NaAlSi3O8)

Turquoise in Matrix (Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise in Matrix

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

Garden Quartz (Lodalite) (Silicon Dioxide (SiO2) with various inclusions) — mineral

Garden Quartz (Lodalite)

Silicon Dioxide (SiO2) with various inclusions

Fossil Coral (Cnidaria Anthozoa (Fossilized)) — sedimentary

Fossil Coral

Cnidaria Anthozoa (Fossilized)

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

Malachite

Copper carbonate hydroxide [Cu2CO3(OH)2]

Jasper with Quartz Vein (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Jasper with Quartz Vein

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Yellow Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Yellow Jasper (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Yellow Jasper

Jasper (Silicon Dioxide, SiO2)

Green Aventurine (Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)) — metamorphic

Green Aventurine

Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)