Peridot
Olivine ((Mg,Fe)2SiO4)
Category
Browse mineral (man enhanced) specimens identified by the Rock Identifier community.
Peridot
Olivine ((Mg,Fe)2SiO4)
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2)
Sugilite
Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)
Pearl
Aragonite (CaCO3) with Conchiolin
Citrine Geode
Citrine (Silicon Dioxide, SiO2)
Moss Agate
Chalcedony (Silicon Dioxide, SiO2) with dendritic inclusions
Moissanite
Silicon Carbide (SiC)
Diamond
Native Carbon (C)
Rose Quartz
Silicon Dioxide with trace inclusions (SiO2)
Tree Agate (Dendritic Agate/Quartz)
Silicon Dioxide (SiO2) with trace Manganese or Iron oxide inclusions
Moonstone (in a halo ring setting)
Orthoclase Feldspar (containing alternating layers of Albite), (KAlSi3O8)
Corundum (Sapphire in Host Rock)
Corundum (Aluminum Oxide, Al2O3)
White Precious Opal
Hydrated Silica (SiO2·nH2O)
Quartz (Milky or Druzy Quartz)
Silicon Dioxide (SiO2)
Rose Quartz and Milky Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Apatite (Group), Ca5(PO4)3(F,Cl,OH)
Sandstone
Arenite
Milky Quartz with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Disulfide (FeS2)
Kimberlite
Kimberlite (Potassic ultramafic volcanic rock)
Zebra Jasper
Silicon Dioxide (SiO2) with various inclusions
Leopard Skin Jasper
Jasper (Silicon Dioxide with impurities), SiO2
Sandstone
Arenite (SiO2 based)
Manganese-coated Sandstone
Clastic sedimentary rock with Manganese Oxide (often Pyrolusite or Psilomelane)
Feldspar
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8
Chert (and Flint variant)
Chert (SiO2)
Rhodonite, Gray Moonstone, and White Feldspar Mix
Multiple: MnSiO3 (Rhodonite), (K,Na)AlSi3O8 (Feldspar/Moonstone)
Rose Quartz
Silicon Dioxide (SiO2)
Dendritic Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
Dendritic Agate
Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides
Rough Diamond
Diamond (pure Carbon, C)
Diamond inlaid in Jewelry
Carbon (C)
Clear Quartz
Silicon dioxide (SiO2)
Moss Agate
Chalcedony (SiO2) with inclusions of manganese or iron oxides
Yellow Citrine Quartz
Silicon Dioxide (SiO₂)
Rough Diamond
Diamond (pure Carbon, C)
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Diamond
Diamond (pure carbon, C)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Rose Quartz
Silicon dioxide (SiO2)
Dendritic Moss Agate
Chalcedony (Silicon Dioxide, SiO2) with inclusions