Banded Agate
Agate (Silicon Dioxide / SiO2)
Category
Browse mineral (man modified) specimens identified by the Rock Identifier community.
Banded Agate
Agate (Silicon Dioxide / SiO2)
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
Dendritic Agate
Silicon Dioxide (SiO2) with Manganese or Iron Oxide inclusions
Citrine Quartz Sphere
Silicon Dioxide (SiO2)
Diamond
Diamond (C)
Peridot (Olivine)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Diamond (in a metal ring setting)
Diamond (Pure Carbon, C)
Rough Diamond
Diamond (Native Element Carbon, C)
Milky Quartz
Silicon Dioxide (SiO2)
River Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Limonite (Yellow Ochre)
Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Mother of Pearl (Nacre)
Aragonite (layered with organic polymers), CaCO3
Quartz (Milky or Pink-tinged)
Silicon Dioxide (SiO2)
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz with Mica inclusions
Quartz (Silicon Dioxide, SiO2)
Cubic Zirconia (Faceted)
Zirconium dioxide (ZrO2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Potassium Feldspar (Orthoclase)
KAlSi3O8
Selenite (Satin Spar)
Gypsum (CaSO4·2H2O)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Pink Orthoclase Feldspar with Dendrites
Orthoclase (KAlSi3O8) with Manganese Oxide dendrites
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Feldspar
Potassium Feldspar (KAlSi3O8)
Hematite (Iron Ore)
Hematite (Fe2O3)
Quartz Druzy on Matrix (with Copper Mineralization)
Silicon Dioxide (SiO2) with Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·n H2O)
Sunstone (Heliolite)
Plagioclase Feldspar ((Ca,Na)(Al,Si)4O8)
Orthoclase Feldspar (Twinning Specimen)
Orthoclase (KAlSi3O8)
Milky Quartz (with Chlorite/Mineral Inclusions)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Smoky/Milky variant)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Rhodonite
Rhodonite (Manganese silicate, (Mn,Fe,Mg,Ca)SiO3)