Lavender Quartz (appearing as beads) and Druzy Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral (man enhanced) specimens identified by the Rock Identifier community.
Lavender Quartz (appearing as beads) and Druzy Quartz
Silicon Dioxide (SiO2)
Rhodonite
Rhodonite (Manganese silicate), (Mn,Fe,Mg,Ca)SiO3
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Orthoclase Feldspar with Quartz
Orthoclase (KAlSi3O8)
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
Sandstone
Arenite (SiO2 principal component)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
Milky Quartz
Silicon Dioxide (SiO2)
Diamond
Diamond (Pure Carbon - C)
Moss Agate
Silicon Dioxide with inclusions (SiO2 + Mn/Fe oxides)
Diamond (or Cubic Zirconia)
Carbon (C) / Cubic Zirconium Dioxide (ZrO2)
Rhodonite
Rhodonite (Manganese Silicate), chemical formula: (Mn,Fe,Mg,Ca)SiO3
Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
Diamond in Gold Setting
Diamond (C - pure carbon)
Rhodonite
Rhodonite (Mn, Fe, Mg, Ca)SiO3
Rose Quartz
Silicon Dioxide (SiO2) with trace elements of titanium, iron, or manganese
Dendritic Opal
Opalized Chalcedony with Manganese Inclusions (SiO2 · nH2O)
Onyx (Black Onyx)
Silicon Dioxide (SiO2) - Chalcedony variety
Rose Quartz
SiO2 (Silicon Dioxide)
Agate (Bead Form)
Agate (Cryptocrystalline Quartz, SiO2)
Black Diamond / Black Sapphire
Carbon (C) or Corundum (Al2O3)
Rose Quartz
Quartz (Silicon Dioxide) - SiO2
Diamond (in jewelry mount)
Carbon (C)
Dendritic Agate
Silicon Dioxide (SiO2) with inclusions
Native Gold (in Jewelry)
Gold (Au)
Tree Agate
SiO2
Moss Agate
Silicon dioxide (SiO2) with inclusions of hornblende or chlorite
Carnelian (Red Chalcedony)
Silicon Dioxide (SiO2)
Bauxite (Pisolitic Bauxite)
Bauxite (mixture of Hydrous Aluminum Oxides)
Granodiorite (foreground) and Rose Quartz (background)
Granodiorite / Quartz (SiO2)
Rose Quartz
Rose Quartz (SiO2)
Sandstone
Arenite (SiO2 primarily)
Fossilized Horn Coral
Order Rugosa (Rugose Coral)
Fossil Coral
Cnidaria fossil (often Calcium Carbonate / CaCO3)
Fossil Coral
Cnidaria Anthozoa (Fossilized)
Pink Dyed Agate
Silicon Dioxide (SiO2) - Variety Agate
Chalcedony
Silicon Dioxide (SiO2)
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O
Hematite
Iron(III) oxide (Fe2O3)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)