Diamond (in Jewelry)
Carbon (C)
Category
Browse gemstone specimens identified by the Rock Identifier community.
Diamond (in Jewelry)
Carbon (C)
Carnelian and White Quartz Bracelet
Silicon Dioxide (SiO2) - specifically Carnelian (Chalcedony) and Rock Crystal/Snow Quartz
Rhodochrosite
Manganese carbonate (MnCO3)
Amber / Fossilized Resin
Succinite / Fossilized Tree Resin
Yellow Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Amethyst (Quartz)
Amethyst (Silicon Dioxide with Iron impurities), SiO2
Amethyst (Pale/Light Variety)
Quartz (Silicon Dioxide) with Iron impurities - SiO2
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8) with Albite inclusions
Garnet
Garnet Group (often Pyrope or Almandine); X3Y2(SiO4)3
Charoite
Charoite (K(Ca,Na)2Si4O10(OH,F)·nH2O)
Emerald
Beryl (Be₃Al₂Si₆O₁₈), specifically the green variety colored by trace amounts of chromium or vanadium.
Turquoise
Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Clear Quartz (Tumbled)
Silicon Dioxide (SiO2)
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
Sunstone
Oligoclase (Feldspar variety), (Na,Ca)(Si,Al)4O8
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium and/or Vanadium impurities
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Carnelian Agate
Silicon dioxide (SiO2) - Chalcedony variety
Jasper
Silicon Dioxide (SiO2)
Kunzite (Spodumene)
Spodumene (LiAlSi2O6)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper (specifically Red or Brecciated Jasper variant)
Jasper (Microcrystalline Quartz - SiO2)
Dearest Ring (Gemstones)
Mixed Gemstones: Diamond (C), Emerald (Be3Al2Si6O18), Amethyst (SiO2), Ruby (Al2O3), Sapphire (Al2O3), Topaz (Al2SiO4(F,OH)2)
Amethyst
SiO2 (Silicon Dioxide with Iron impurities)
Red Garnet (Pyrope or Almandine)
Garnet Group (A3B2(SiO4)3)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Turquoise
Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O
Rhodochrosite
Manganese Carbonate (MnCO3)
Tiger's Eye
Silicon Dioxide (SiO2) with Limonite/Goethite inclusions
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Serpentine (Serpentinite)
Antigorite, Lizardite, or Chrysotile; (Mg,Fe)3Si2O5(OH)4
Diamond (Cluster Ring)
Carbon (C)
Rhodonite
Rhodonite (Mn,Fe,Mg,Ca)SiO3
Amber
Succinite (C10H16O)
Diamond
Native Carbon (C)
Beryl (likely Emerald or Aquamarine in matrix)
Beryllium aluminum silicate (Be3Al2Si6O18)
Red Coral (with Hematite and Black Pearl accents)
Corallium rubrum (Calcium Carbonate, CaCO3)
Red Jasper
Jasper (Silica with Iron Oxide inclusions), SiO2
Amethyst
Amethyst (Silicon Dioxide - SiO2 with Iron impurities)