Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Category
Browse organic gemstone (fossilized resin) specimens identified by the Rock Identifier community.
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Diamond
Carbon (C)
Red Jasper
Silicon Dioxide (SiO2) with iron inclusions
Rough Diamond
Diamond (pure Carbon, C)
Citrine
Citrine (Silicon Dioxide - SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2 with iron oxide impurities)
Malachite in Matrix
Copper Carbonate Hydroxide (Cu2CO3(OH)2)
Moonstone
Orthoclase (Potassium aluminum silicate - KAlSi3O8)
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
Goldstone
Aventurine glass (Synthetic glass with copper inclusions)
Rhodonite
Rhodonite (Manganese silicate), (Mn,Fe,Mg,Ca)SiO3
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Amethyst Quartz
Silicon Dioxide (SiO2) with iron impurities
Red Jasper (Chert)
Silicon Dioxide (SiO2)
Diamond (or Cubic Zirconia)
Crystallized Carbon (C) for Diamond; Zirconium Dioxide (ZrO2) for CZ
Jewelry Chain with Blue and Clear Gemstones (Likely Cubic Zirconia)
Cubic Zirconia (ZrO₂), Silver or White Gold/Platinum Alloy
Turquoise in Matrix
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Carnelian
Carnelian (Silicon Dioxide, SiO2)
Emerald In Matrix
Beryl (Be3Al2Si6O18) with trace Chromium/Vanadium
Emerald in Schist (Raw/Tumbled)
Beryllium Aluminum Silicate (Be3Al2Si6O18) with Chromium/Vanadium impurities in Mica Schist
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
Pearl
Biogenic Calcium Carbonate (Aragonite and Conchiolin), CaCO3
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Carnelian
Chalcedony (Silicon Dioxide, SiO2 with Iron Oxide impurities)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Lapis Lazuli
Lapis lazuli (a metamorphic rock primarily composed of Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Jasper
Silicon dioxide (SiO2) with impurities
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Milky Quartz with Inclusions
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Jasper Breccia
Silicon Dioxide (SiO2) with impurities
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
Quartz (Double-Terminated)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Carnelian
SiO2 (Microcrystalline Quartz / Chalcedony)
Chrysocolla on Matrix
Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4·nH2O