Smoky Quartz and Pyrite Cluster
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
Category
Browse organic gem material (botanical) specimens identified by the Rock Identifier community.
Smoky Quartz and Pyrite Cluster
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Peridot
Olivine (Mg, Fe)2SiO4
Smoky Quartz
Smoky Quartz (SiO2 - Silicon Dioxide with trace impurities of aluminum)
Red Jasper
Red Jasper (variety of Chalcedony, SiO₂)
Amber
Succinite (Fossilized Tree Resin)
Amethyst
SiO2 (Silicon Dioxide with Iron impurities)
Ironstone concretion / Limonitic Sandstone
Goethite/Hematite Cemented Sandstone (Hydrated Iron Oxide)
Chert (Iron-stained)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Smoky Quartz
Silicon dioxide with aluminum impurities (SiO2)
Jasper (Yellow/Brown variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper (Microcrystalline Quartz)
SiO2 (Silicon Dioxide) with Iron Oxide inclusions
Milky Quartz
Silicon dioxide (SiO2)
Rough Diamond
Carbon (C)
Jasper
Jasper (Silicon Dioxide, SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Amethyst and Citrine (Quartz variants)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Raw Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
Orthoclase Feldspar
Potassium Aluminum Silicate (KAlSi3O8)
Shale or Mudstone (Based on appearance)
Shale (fine-grained, laminated fissile sedimentary rock) / Mudstone (fine-grained, non-fissile sedimentary rock)
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
Beryl (var. Heliodor or Aquamarine)
Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)
Granite (tumbled pebble)
Granite (Plutonic Igneous Rock)
Rhodonite
Manganese Silicate (Mn, Fe, Mg, Ca)SiO3
Peridot (Olivine)
(Mg,Fe)2SiO4 (Magnesium Iron Silicate)
Ruby
Corundum (Al2O3 with Chromium)
Amber
Succinite (Formula: C10H16O)
Almandine Garnet
Almandine [Fe3Al2(SiO4)3]
Opalite
Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)
Limestone (specifically Bituminous or Carbonaceous Limestone)
Calcium Carbonate (CaCO3) with Organic Impurities
Moonstone
Adularia (Potassium Aluminum Silicate, KAlSi3O8)
Jasper (Iron-rich Chert)
Silicon Dioxide (SiO2) with iron oxide impurities
Jasper (specifically Red Jasper/Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper
Jasper (Silicon Dioxide, SiO2 with Iron Oxide impurities)
Smoky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)