Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Category
Non Geological
Browse non geological specimens identified by the Rock Identifier community.
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
mineral
Gold
Native Gold (Au)
mineral
Selenite (Satin Spar)
Gypsum (CaSO4·2H2O)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz Fragment
Quartz (Silicon Dioxide, SiO2)
mineral
Smoky Quartz (Tumbled)
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Placer Gold Nugget
Native Gold (Au)
mineral
Granite
Granitoid
igneous
Quartz (Milky Quartz / Greenish Quartz)
SiO2 (Silicon Dioxide)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Heat-Treated Citrine (Amethyst-based)
Quartz (Silicon Dioxide) - SiO2
mineral
Petrified Wood (Agatized/Silicified Wood)
Silicified Wood (SiO2)
metamorphic
Sandstone (with potential mineral inclusions)
Clastic sedimentary rock (primarily Quartz, SiO2)
sedimentary
Septarian Nodule (Dragon Stone) sphere
Septarian concretion (Calcite, Aragonite, and Limestone)
sedimentary
Tumbled Stone Collection (featuring Tiger's Eye, Rose Quartz, and Moss Agate)
Mixed Silicates and Oxides (predominantly SiO2 group minerals)
mineral
Calcite
Calcite (CaCO₃)
Mineral
Sapphire (Corundum variety)
Sapphire (Al₂O₃)
Mineral
Green Aventurine
Aventurine (a variety of Quartz, SiO2)
Mineral
Quartz (likely Clear Quartz or Rock Crystal)
Quartz (SiO2)
Mineral
Quartz
Quartz (SiO2 - Silicon Dioxide)
Mineral
Granite
Granite (a plutonic igneous rock)
Igneous
Rose Quartz
Quartz (SiO₂), specifically a variety of Quartz
Mineral
Veined Quartz
SiO2 (Silicon Dioxide)
Mineral
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Feldspar, and Mica)
igneous
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Flint variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Amazonite
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Rose Quartz Beads
SiO2 (Silicon Dioxide with trace inclusions of Ti, Fe, or Mn)
mineral
Rough Sapphire
Corundum (Al2O3)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral