Amethyst Geode/Cluster
Quartz (SiO2) - variety Amethyst
Category
Browse mineral, specifically a variety of quartz specimens identified by the Rock Identifier community.
Amethyst Geode/Cluster
Quartz (SiO2) - variety Amethyst
Milky Quartz
Silicon Dioxide (SiO2)
Red Chert (Jasper)
Chert / Microcrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Gneiss (specifically a Granitic Gneiss specimen)
Gneiss (high-grade metamorphic rock primarily composed of Quartz, Feldspar, and Biotite/Amphibole)
Mixed Tumbled Stones Collection
Mixed Silicates and Carbonates (Quartz, Amorphous Silica, Carbonates)
Quartz on Matrix
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Bumblebee Jasper
Volcanic Tuff (mixture of Quartz, Sulfur, Hematite, and Orpiment)
Carnelian
Carnelian (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rough Quartz
Silicon Dioxide (SiO2)
Schist (specifically Mica Schist)
Mica Schist
Crushed Granite Gravel
Granite (Mainly Quartz, Feldspar, and Mica)
Aragonite (specifically Mexican Marbled Onyx)
Aragonite (Calcium Carbonate, CaCO3)
Pink Granite
Phaneritic Felsic Igneous Rock (Rich in K-Feldspar)
Green Calcite
Calcium Carbonate (CaCO3)
Smoky Quartz
Silicon Dioxide (SiO2)
Chert (and associated Flint)
Silicon Dioxide (SiO2)
Rough Corundum (Sapphire/Ruby mixture)
Corundum (Aluminum Oxide, Al2O3)
N/A - Image does not contain a rock or mineral
Anthropogenic textile material
Rose Quartz Carving
Quartum roseum (Variety of Quartz, SiO2)
Petrified Wood
Silicified Wood (SiO2)
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite or Goethite inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Chalcedony (specifically Agate or Flint)
Silicon Dioxide (SiO₂)
Chert (specifically Jasper/Carnelian Agate)
Microcrystalline Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Jasper
Silicon Dioxide (SiO2) - a variety of Chalcedony (Cryptocrystalline Quartz)
Chert (specifically Flint or Jasper variant)
Microcrystalline quartz (SiO2)
Argetine Blue Agate (Chalcendony variant)
Silicon Dioxide (SiO₂)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Quartz (SiO₂)
White Agate (resembling Bone Chalcedony)
Cryptocrystalline Quartz (SiO2)
Leopardskin Jasper
Jasper (a variety of microcrystalline Quartz)
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Rose Quartz
Quartz (Silicon Dioxide with trace inclusions of dumortierite, Al7(BO3)(SiO4)3O3)