Citrine
Silicon dioxide (SiO2) - yellow quartz variety
Category
Browse mineral, specifically a variety of quartz specimens identified by the Rock Identifier community.
Citrine
Silicon dioxide (SiO2) - yellow quartz variety
Chert (Tan or Buffer variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Moonstone (specifically White Moonstone or Girasol Quartz)
Potassium aluminum silicate (KAlSi3O8)
Smoky Quartz
Silicon Dioxide (SiO2)
Jasper (Green)
Silicon Dioxide (SiO2) with impurities
Orbicular Jasper (Ocean Jasper or Poppy Jasper variant)
Silicon Dioxide (SiO2) with various inclusions
Chert (often referred to as Flint or Jasper)
Chalcedony (SiO2) - Silicon Dioxide
Chalcedony (Agate)
Silicon Dioxide (SiO2)
Chalcedony
Silicon dioxide (SiO2) - Microcrystalline quartz
Blue Lace Agate
Cryptocrystalline Quartz (SiO2)
Pyrite
Iron Sulfide (FeS2)
Jasper (likely Brecciated or Multi-colored)
Jasper (SiO2)
Agate
Silicon Dioxide (SiO2) - variety Chalcedony
Chert (specifically Tan/Brown Chert)
Chert (SiO2)
Jasper (Cream/Yellow variety)
Silicon dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Rose Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Quartz (Silicon Dioxide) - SiO2
Jasper (Milky/Cream Variety)
Silicon Dioxide (SiO2) - variety of Chalcedony
Quartz
Silicon Dioxide (SiO₂)
Chert (specifically Jasper/Flint pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chalcedony in Matrix
Silicon Dioxide (SiO2)
Lake Superior Agate
Silicon Dioxide (SiO2) - Variety Agate
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Rose Quartz (SiO2 with traces of Titanium, Iron, or Manganese)
Sapphire
Corundum (Al2O3)
Quartz
Silicon Dioxide (SiO2)
Tiger's Eye
Silicon dioxide with crocidolite fibers (SiO2 with chrysotile amphibole inclusions)
Amber (Black)
Amber (succinite, retinite, etc., specifically, heavily included/dark varieties)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO₂)
Orange Calcite
Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Ruby (Corundum)
Al2O3 (Aluminium oxide with Chromium impurities)
Galena
Lead Sulfide (PbS)
Mahogany Obsidian
Volcanic Glass with Hematite/Magnetite inclusions (SiO2)
Red Granite
Phaneritic Felsic Intrusive Igneous Rock (primarily K-feldspar, Quartz, and Biotite)
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese