Pink Quartz (Rose Quartz variant)
Silicon Dioxide (SiO2)
Category
Browse this appears to be a man made metallic object, likely jewelry, not a natural rock, mineral, or geological specimen. specimens identified by the Rock Identifier community.
Pink Quartz (Rose Quartz variant)
Silicon Dioxide (SiO2)
Botryoidal Agate
Chalcedony (Silicon Dioxide, SiO2)
Quartzite
Quartzite (primarily SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Fossiliferous Limestone (Chertified Limestone)
Calcium Carbonate (CaCO3) often replaced by Microcrystalline Silica (SiO2)
Pearl (Imitation or Cultured)
Calcium Carbonate (Aragonite/Calcite) - CaCO3
Greasy Quartz (likely carved Milky Quartz or Aventurine)
Silicon Dioxide (SiO2)
Galena
Lead(II) sulfide (PbS)
River Quartzite (River Stone)
Quartzite (primarily SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Dyed and Metallic Coated Agate Geode
Silicon Dioxide (SiO2) with titanium/gold vapor deposition coating
Basalt (River Pebble)
Extrusive mafic igneous rock
Basalt Pebble
Basalt (Mafic volcanic rock)
Quartz (Smoky or Impure Variety)
Silicon Dioxide (SiO2)
Quartzite (Iron-stained)
Quartzite (mostly SiO2 with Fe2O3 impurities)
Goldfish Cracker (Culinary Mimic)
Cibus aurum (Commonly composed of Enriched Wheat Flour and Cheddar Cheese)
Diamond
Diamond (pure carbon C)
Amber / Copal
Succinite (fossilized resin)
Fluorite
Calcium Fluoride (CaF2)
Chert (Fossiliferous)
Silicon dioxide (SiO2)
Nephrite Jade
Nephrite
Basalt (Weathered)
Mafic Igneous Rock
Banded Sandstone
Arenite (composed primarily of Quartz: SiO2)
Jasper
Silicon Dioxide (SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Oolitic Ironstone
Sedimentary Ooidal Ironstone (Limonite/Hematite mixture)
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (SiO2)
Quartzite Pebble
Metamorphic Quartz (SiO2)
Sandstone (likely Fossiliferous)
Arenite / Sedimentum arenaceum
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Granite
Intrusive igneous rock (high SiO2)
Diamond
Diamond (pure Carbon, C)
Muscovite Mica (with Quartz)
Muscovite (KAl2(AlSi3O10)(OH)2)
Chert (Iron-stained)
Chert (Microcrystalline and Cryptocrystalline Quartz, SiO2)
Gold and Diamond
Native Gold (Au) and Diamond (C)
Quartzite
Quartzite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Limonite (Iron Ore)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
Corundum (Sapphire/Ruby in Matrix)
Aluminium oxide (Al2O3)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Jasper with Hematite Inclusions
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)
Pyrite in Matrix (Fool's Gold)
Iron Disulfide (FeS2)