Ruby (Raw Corundum)
Corundum (Al2O3 with Chromium impurities)
Category
Browse mineralish (variety of chalcedony) specimens identified by the Rock Identifier community.
Ruby (Raw Corundum)
Corundum (Al2O3 with Chromium impurities)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (̑SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide) - SiO2
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Rose Quartz Bead
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rough Blue Sapphire
Corundum (Al2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon dioxide with traces of titanium, iron, or manganese (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline or cryptocrystalline quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Yellow Jasper
Cryptocrystalline Quartz (SiO2)
Rose Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chert (Chert / Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chert (often called Flint)
Chert (Microcrystalline Quartz, SiO2)
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Rose Quartz
Silicon dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Quartz (Silicon Dioxide - SiO2)
Chert (with Limonite staining)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Granitic Pegmatite with Tourmaline
Granite (Feldspar/Quartz matrix) with Schorl (NaFe2+3Al6Si6O18(BO3)3(OH)3OH)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)