Rose Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral, jewelry specimens identified by the Rock Identifier community.
Rose Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Agate (Chert/Chalcedony)
Silicon Dioxide (SiO2)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium) CuAl6(PO4)4(OH)8·4H2O
Pyrite on Quartz
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Jasper (Milky/Cream Variety)
Silicon Dioxide (SiO2) - variety of Chalcedony
Blue Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
Pyrite
Iron Sulfide (FeS2)
Botryoidal Pyrite
Iron Sulfide (FeS2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Orange Calcite (likely polished specimen)
Calcite
Satin Spar Gypsum
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Green Aventurine (Carved)
Silicon Dioxide (Quartz variant) with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O(OH)2)
Blue Sapphire
Corundum (Al2O3) with traces of Iron and Titanium
Aventurine (Green)
Silicon Dioxide (Quartz with inclusions of Fuchsite)
Fluorite
Calcium Fluoride (CaF2)
Dendritic Agate (Tumbled)
Silicon Dioxide (SiO2) with inclusions
Pearl
Organic gemstone (Calcium carbonate / CaCO3 + Conchiolin)
Epidote in Matrix (Dragon Stone variant)
Epidote with Quartz/Feldspar (Ca2(Al,Fe)3(SiO4)3(OH))
Yellow Agate
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Yellow Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Goldstone (Red)
Aventurine Glass (Cupriferous glass)
Ocean Jasper
Orbicular Jasper (varietal of SiO2 with impurities)
Rhodochrosite
Manganese Carbonate (MnCO3)
Chrysocolla in Cuprite (Sonora Sunrise)
Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O) with Cu2O
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Pyrite
Iron Sulfide (FeS2)
Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
Fossilized Sand Tiger Shark Tooth
Carcharias taurus / Striatolamia macrota (mineralized as Hydroxylapatite/Francolite)
Breciated Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Gold Nugget
Native Gold (Au)
Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Carnelian
Carnelian Chalcedony (SiO2 with iron oxide impurities)
Carnelian
Carnelian (Silicon Dioxide - SiO2)
Banded Carnelian Agate
Var. of Chalcedony (SiO2)
Pearl
Calcium Carbonate (CaCO3) + Conchiolin