Desert Rose
Gypsum (CaSO4·2H2O) or Barite (BaSO4) inclusions in sand
Category
Browse mineral (synthetic paper and ink polymorph) specimens identified by the Rock Identifier community.
Desert Rose
Gypsum (CaSO4·2H2O) or Barite (BaSO4) inclusions in sand
Red Quartz (Carnelian/Red Jasper Agate)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Silver (Jewelry form)
Native Silver (Ag)
Raw Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium)
Carnelian and White Quartz Bracelet
Silicon Dioxide (SiO2) - specifically Carnelian (Chalcedony) and Rock Crystal/Snow Quartz
Amber (Rough Baltics/Beach Specimen)
Succinicum (Organic Gemstone - Fossilized Resin)
Carnelian
Carnelian (SiO2 - Silicon Dioxide with Iron Oxide impurities)
Gold Flake
Native Gold (Au)
Yellow Chalcedony (Agate/Carnelian variant)
Silicon Dioxide (SiO₂)
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
Celestine (Celestite)
Strontium sulfate (SrSO4)
Rough Gemstone Grains (Mixed Sapphires and Quartz)
Corundum (Al2O3) and Quartz (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Amethyst and Peridot
Amethyst (SiO2 with iron impurities) and Peridot ((Mg, Fe)2SiO4)
Hematite (Botryoidal/Kidney Ore)
Iron(III) oxide (Fe2O3)
Citrine (Heat-Treated Amethyst)
Silicon Dioxide (SiO2)
Aluminum Slag
Anthropogenic Aluminum (Al)
Rhodochrosite in Quartz
Manganese Carbonate (MnCO3)
Moss Agate
Silicon Dioxide (SiO2) with inclusions of Manganese or Iron oxide
White Quartz (Milky Quartz)
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Carnelian Agate
Silicon Dioxide (SiO2) with iron oxide impurities
Mother of Pearl (Nacre)
Aragonite (layered with organic polymers), CaCO3
Chalcedony (Common Opal variant or Agate)
Silicon Dioxide (SiO2)
Quartz (Milky or Pink-tinged)
Silicon Dioxide (SiO2)
Mexican Crazy Lace Agate
Silicon Dioxide (SiO2) with iron and aluminum inclusions
Diamond
Diamond (pure Carbon, C)
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Blue Agate (Dyed Chalcedony)
Silicon Dioxide (SiO2)
Raw Citrine
Citrine (Silicon Dioxide - SiO2)
Sugilite
KNa2(Fe,Mn,Al)2Li3Si12O30 (Potassium Sodium Lithium Iron Manganese Aluminum Silicate)
Carnelian
Carnelian (Silica, SiO2)
Ammolite
Ammolite (Biogenic Aragonite with trace elements; fossils of Placenticeras meeki and Placenticeras intercalare)
Orange Calcite
Calcium Carbonate (CaCO3)
Desert Rose
Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O) or Barite (Barium Sulfate, BaSO4)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
Limonite (Yellow Ochre)
Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)