Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Synthetic Paper And Ink Polymorph)
Browse mineral (synthetic paper and ink polymorph) specimens identified by the Rock Identifier community.
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Quartz
Silicon Dioxide (SiO2)
mineral
Carnelian
Silicon Dioxide (Quartz variety), SiO2
mineral
Gold Nugget
Gold (Au)
mineral
Orange Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Sea Glass
Amorphous silicon dioxide (man-made glass weathered by nature)
mineral
Gold Nugget
Gold (Au)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Heated Citrine (Heat-Treated Amethyst)
Silicon Dioxide (SiO2), quartz variety
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Hematite Nodule / Concretion
Hematite (Fe2O3)
mineral
Red Quartz
Silicon Dioxide (SiO2) with hematite inclusions
mineral
Gold Nugget
Gold (Au)
mineral
Quartz
Silicon dioxide (SiO2)
mineral
Chondrite Meteorite
Ordinary Chondrite (S-type Asteroid fragment)
mineral
Copper Ore Bearing Rock
Host rock with secondary copper minerals (such as Malachite, Azurite, and Chrysocolla)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Assorted Decorative Tumbled Stones (Quartz, Sodalite, Aventurine, Calcite)
Mixed Silicates and Carbonates (SiO2, Na8(Al6Si6O24)Cl2, CaCO3)
mineral
Sphalerite
Zinc Sulfide (ZnS)
mineral
Quartz Druzy Geode Fragment
Silicon Dioxide (SiO2)
mineral
Green Quartz (Aventurine)
Silicon Dioxide (SiO2) with inclusions of Fuchsite
mineral
Greenstone / Greenschist
Greenschist facies metamorphic rock
metamorphic
Morganite and Aquamarine (Beryl) Bracelet
Beryllium aluminum silicate, Be3Al2(SiO3)6
gemstone
Schist
Mica Schist
metamorphic
Dendritic Quartz Pebble
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
mineral
Schist
Schist
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Amazonite
Potassium Feldspar (KAlSi3O8)
Mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Emerald in Matrix (Tumbled)
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
gemstone
Banded Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Si,Al)4O10(F,OH)2)
mineral
Brecciated Jasper
Silicon Dioxide (SiO2) with iron impurities
sedimentary
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
mineral
Diamond (or Cubic Zirconia)
Carbon (C) / Cubic Zirconium Dioxide (ZrO2)
mineral
Diamond
Diamond (C)
mineral
Native Silver
Silver (elemental Ag)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral