Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Man Made Object (Simulant)
Browse man made object (simulant) specimens identified by the Rock Identifier community.
Orthoclase Feldspar (Twinning Specimen)
Orthoclase (KAlSi3O8)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Smoky/Milky variant)
Silicon Dioxide (SiO2)
mineral
Milky Quartz (with Chlorite/Mineral Inclusions)
Silicon Dioxide (SiO2)
mineral
Hematite (Iron Ore)
Hematite (Fe2O3)
mineral
Shale
Fissile Mudrock (Clay-rich Sedimentary Rock)
sedimentary
Quartz Druzy on Matrix (with Copper Mineralization)
Silicon Dioxide (SiO2) with Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·n H2O)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
Mineral
Sandstone
Arenite (Siliclastic sedimentary rock)
sedimentary
Amber
Succinite (fossilized resin); C10H16O
mineraloid
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Sandstone (Red)
Arenite (SiO2 with Fe2O3)
sedimentary
Chalk (Sedimentary Limestone)
Calcium Carbonate (CaCO3) - Bioclastic Limestone
sedimentary
Shale
Mudstone/Shale
sedimentary
Sandstone
Arenite/Quartz Arenite
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Feldspar (Orthoclase/Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Hematite
Iron(III) oxide (Fe2O3)
Mineral
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn,Fe,Mg,Ca)SiO3
mineral
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Quartzite with Quartz Vein
Quartzite (primarily SiO2)
metamorphic
Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
mineral
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
mineral
Sand (Construction Grade)
Unconsolidated siliciclastic sediment (primarily SiO2)
sedimentary
Amethyst and Peridot
Amethyst (SiO2 with iron impurities) and Peridot ((Mg, Fe)2SiO4)
mineral
Raw Diamond (Rough Uncut)
Diamond (C - pure carbon)
mineral
Ferrous Slag
Fused calcium-iron silicates (Industrial Slag)
Anthropogenic/Industrial byproduct
Rose Quartz
SiO2 (Silicon Dioxide)
mineral
Apricot Agate
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Rough Diamond
Native Carbon (C)
mineral
Dendritic Quartz Pebble
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
mineral
Serpentinite
Serpentinite (group of hydrous magnesium iron phyllosilicates)
metamorphic
Serpentinite
Serpentine rock (Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al,Fe)2O5(OH)4
metamorphic
Ferromanganese Nodule
Polymetallic Nodule (composed primarily of MnO2 and Fe2O3)
sedimentary
Diamond
Carbon (C)
mineral
Diamond
C (Carbon)
mineral
Serpentine
Serpentine group ((Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
metamorphic
Olivine
(Mg,Fe)2SiO4 (Magnesium Iron Silicate)
mineral
Rose Quartz Druzy
Silicon Dioxide (SiO2)
mineral