Celestine (or Celestite)
Strontium sulfate (SrSO4)
Category
Browse mineral (man made aura treatment) specimens identified by the Rock Identifier community.
Celestine (or Celestite)
Strontium sulfate (SrSO4)
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide with Iron Oxide (SiO2 with traces of Fe2O3/FeO(OH))
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Orange Satin Spar (Satin Spar Selenite)
Satin Spar - Hydrous Calcium Sulfate (CaSO4·2H2O)
Quartz on Matrix
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal Fragments)
Silicon Dioxide (SiO2)
Blue Calcite
Calcite (CaCO3)
Quartz (Iron-Stained or Milky Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Fluorite
Calcium Fluoride (CaF2)
Aragonite (Yellow/Honey Tumble)
Calcium Carbonate (CaCO3)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Pyrite
Iron Sulfide (FeS2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Iron-Stained Quartz (Riverside Cobble)
Silicon Dioxide (SiO2) with Limonite/Hematite inclusions
Yellow Quartz Pebble (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Blue Kyanite
Kyanite (Al2SiO5)
Quartz (Milky/Bull Quartz)
Silicon Dioxide (SiO2)
Rough Quartz (or Quartzite pebble)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Biotite Mica
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)
Yellow Quartz (Iron-stained Quartz)
Quartz (Silicon Dioxide, SiO2) with Hematite/Limonite impurities
Petrified Wood
Silicified Wood (SiO2)
Calcite (likely a tumbled specimen)
Calcite (CaCO 3 )
Chevron Amethyst
SiO2 (Quartz with Manganese/Iron impurities)
Serpentinite
Serpentinite (composed primarily of Serpentine minerals: Mg3Si2O5(OH)4)
Precious Red Coral
Corallium rubrum / Corallium japonicum
Dendritic Jasper
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
Mahogany Obsidian
Volcanic glass (SiO2 with Hematite or Magnetite inclusions)
Ironstone Concretion (Limonite/Goethite)
Ironstone (primarily FeO(OH)·nH2O)