Stilbite
Stilbite-Ca (NaCa4Mg[Al9Si27O72]·28H2O)
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Stilbite
Stilbite-Ca (NaCa4Mg[Al9Si27O72]·28H2O)
Banded Sandstone (Differential Weathering)
Clastic Sedimentary Rock (primarily SiO2)
Rough Star Sapphire (Corundum)
Al2O3 (Aluminum Oxide)
Granite
Granite (Felsic Plutonic Rock)
Granite Pegmatite with Muscovite Mica
Granite Pegmatite (Silicon Dioxide and complex silicates)
Corundum (Ruby Variety)
Corundum (Al2O3)
Pegmatite
Igneous Pegmatite (felsic intrusive rock)
Milky Quartz with Chlorite / Mica inclusions
Silicon Dioxide (SiO2) with phyllosilicate inclusions
Quartzite
Quartzite (High-purity SiO2)
Milky Quartz Pebble with Iron Inclusions
Silicon Dioxide (SiO2) with iron oxide impurities
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
Weathered greenish rock fragment
Indeterminate; possibly epidote- or chlorite-bearing altered silicate rock
Schorl (Black Tourmaline) in Quartz and Feldspar
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Satin Spar (often sold as Selenite)
Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Quartz (Beach Pebble)
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 based)
Silver (Morgan Dollar)
Native Silver (Ag) - 90% Silver, 10% Copper alloy
Zircon
Zircon (Zirconium Silicate - ZrSiO4)
Sandstone
Arenite (SiO2 primarily)
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Bauxite
Bauxite (Al(OH)3 mixed with Fe2O3 and clay minerals)
Sandstone
Arenite (primarily SiO2)
Vesicular Basalt
Basalt (Mafic volcanic rock)
Almandine Garnet (Tumbled)
Fe3Al2(SiO4)3
Cubic Zirconia
Zirconium dioxide (ZrO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Garnet
Almandine/Pyrope Garnet (Silicate Mineral Group)
Garnet
Garnet group (X3Y2(SiO4)3)
Pegmatite
Granitic Pegmatite
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
Quartz (Gravel Pebble)
Silicon Dioxide (SiO2)
Pegmatite
Pegmatitic Granite
Native Copper
Native Copper (Cu)
Peridot (Olivine)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Red Sandstone
Arenite (SiO2 with Fe2O3)
Magnetite (Octahedral Crystal)
Magnetite (Fe3O4)
Quartz Geode
Crystalline Quartz (SiO2) within a sedimentary or volcanic host
Clear Quartz (Tumbled)
Silicon Dioxide (SiO2)
Raw Garnet (Hessonite / Spessartine)
Silicate mineral group (X3Y2(SiO4)3)