Rhodonite Tumbled Chips
Manganese silicate (Mn,Fe,Mg,Ca)SiO3
Category
Browse anthropogenic material (man made sedimentary mimic) specimens identified by the Rock Identifier community.
Rhodonite Tumbled Chips
Manganese silicate (Mn,Fe,Mg,Ca)SiO3
Milky Quartz
Silicon Dioxide (SiO2)
Rough Diamond
Diamond (Native Carbon, C)
Diamond
Carbon (C)
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals, Mg3Si2O5(OH)4)
Olivine
(Mg,Fe)2SiO4 (Magnesium Iron Silicate)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Serpentinite (often called Jade or Nephrite substitute)
Serpentinite (composed primarily of Antigorite, Lizardite, or Chrysotile)
Sugilite
Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)
Diamond
Diamond (pure carbon, C)
Quartzite
Quartzite (primarily SiO2)
Serpentine (Serpentinite)
Serpentinite (complex silicate group including lizardite, chrysotile, and antigorite)
Granite
Granite (Phaneritic intrusive igneous rock)
Granite
Granite (Phaneritic intrusive igneous rock) - Composition: SiO2, Al2O3, K2O, Na2O
Granite
Granite (Felsic Plutonic Rock)
Raw Diamond
Diamond (pure Carbon, C)
Diamond (set in a gold ring)
Carbon (C) - Adamantine cubic carbon
Peridot (Olivine)
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Slate
Slate (Regional metamorphic rock composed primarily of quartz, illite, and chlorite)
Quartzite
Metamorphic Quartzite (SiO2)
Iron-stained Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
Red Quartzite
Quartzite (primarily SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky/Crystalline)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite with Iron Staining
Silicon Dioxide (SiO2) with Fe2O3 impurities
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (SiO2 + Fe2O3)
Limestone
Calcium Carbonate (primarily CaCO3 as Calcite or Aragonite)
Limestone
Calcium Carbonate (CaCO3)
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Quartzite
Quartzite (composed primarily of SiO2)
Pink Quartzite
Silica (SiO2) - Metamorphic rock
Quartzite
Quartzite (primarily SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartzite Pebble
Quartzite (SiO2 with minor impurities)
Quartzite
Quartzite (primarily SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Amber
Succinite (C10H16O)