Green Calcite
Calcium Carbonate (CaCO3)
mineral
Category
Anthropogenic (Man Made Industrial Deposit)
Browse anthropogenic (man made industrial deposit) specimens identified by the Rock Identifier community.
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Diamond (in Jewelry Setting)
Carbon (C) - Isometric-Hexoctahedral
mineral
Diamond (set in a gold ring)
Carbon (C) - Adamantine cubic carbon
mineral
Quartz (Translucent/Rose variety)
Silicon Dioxide (SiO2)
mineral
Fossilized Oyster Shell
Gryphaea or Crassostrea fossil (Calcium Carbonate, CaCO3)
sedimentary
Amethyst
Quartz (SiO2) variety
Mineral
Chromium (Chrome)
Chromium (Cr)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Sulfur (in host rock)
Native Sulfur (S8)
mineral
Native Copper Nugget
Native Copper (Cu)
mineral
Aragonite (Sputnik habit)
Aragonite (Calcium Carbonate, CaCO3)
mineral
Yellow Ochre / Limonite
Limonite (Hydrated Iron(III) Oxide-Hydroxide, FeO(OH)·nH2O)
mineral
Diamond
Carbon (C)
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Quartz Vein in Host Rock (clastic sediment)
Silicon Dioxide (SiO2) in matrix
sedimentary
Aragonite Star Cluster (or Aragonite Sputnik)
Aragonite (Orthorhombic Calcium Carbonate, CaCO3)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Agate
Silicon Dioxide (SiO2) - Banded Chalcedony
mineral
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Agate
Silicon dioxide (SiO2) - variety Chalcedony
mineral
Opal
Hydrous silicon dioxide (SiO2·nH2O)
mineral
Tumbled Stone Collection (featuring Tiger's Eye, Rose Quartz, and Moss Agate)
Mixed Silicates and Oxides (predominantly SiO2 group minerals)
mineral
Rough Diamond
Diamond (Native Carbon, C)
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Diamond (Macled/Crystal fragment)
Carbon (C), isometric crystal system
mineral
Basalt
Basalt
Igneous
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Diamond (Faceted)
Diamond (C - Pure Carbon)
mineral
Orange Calcite
Calcite (CaCO3)
Mineral
Blue Sapphire
Corundum (Al2O3)
mineral
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Diamond
Diamond (C)
mineral
Parti Sapphire
Corundum (Al2O3)
mineral
Turquoise and Hematite
CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Fe2O3 (Hematite)
mineral
Diamond
Diamond (pure Carbon, C)
mineral
Diamond
Diamond (pure Carbon, C)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
sedimentary
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)
mineral