Red garnet cabochon ring
Garnet-group silicate, likely almandine–pyrope solid solution (X₃Y₂(SiO₄)₃)
gemstone
Category
Mineral (Silicate Variety)
Browse mineral (silicate variety) specimens identified by the Rock Identifier community.
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Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Mixed Tumbled Rocks and Minerals Collection
Mixed Minerals and Rocks (Quartz, Feldspar, Jasper, Agate, Lapis Lazuli, Sodalite, Rose Quartz, Fluorite, etc.)
mineral
Green Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Larimar (with dendritic inclusions)
Blue Pectolite (NaCa2Si3O8(OH))
gemstone
Rose Quartz
Silicon Dioxide (SiO2) with trace Titanium, Iron, or Manganese
mineral
Mixed polished river stones
Likely quartz, quartzite, chert/jasper, and possibly limestone or marble
mineral
Green Jasper / Metavesuvianite-bearing rock
Silica-rich microcrystalline quartz aggregate / Green Jasper
igneous
Red Garnet
Pyrope or Almandine (Silicate group, X3Y2(SiO4)3)
Mineral
Small rounded pebble, likely quartz-rich stone
Indeterminate from photograph; possibly microcrystalline quartz (SiO₂) or a weathered silicate pebble
mineral
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with Crocidolite or Magnesio-riebeckite inclusions
metamorphic
Chrysoprase
Chrysoprase (a variety of Chalcedony, SiO₂)
Mineral
Diorite (River Pebble)
Phaneritic Intermediate Plutonic Rock (Diorite)
igneous
Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Feldspar (Orthoclase / Alkali Feldspar)
KAlSi3O8 (Potassium Feldspar / Orthoclase)
mineral
Chert / Green Jasper
Silicon Dioxide (SiO2)
sedimentary
Garnet (likely Almandine or Pyrope)
Garnet Group (e.g., Almandine: Fe3Al2(SiO4)3; Pyrope: Mg3Al2(SiO4)3)
Mineral
Possible iron-rich meteorite fragment
Undetermined; possible stony-iron or iron-oxide-rich meteorite
meteorite
Chrysocolla
Hydrated copper silicates (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Aquamarine
Aquamarine (Beryl variety) - Be3Al2(Si6O18)
mineral
Fluorite Bracelet (light green beads) and possibly Lavender Jadeite (purple bead)
Fluorite: CaF₂ (Calcium Fluoride); Jadeite: NaAlSi₂O₆ (Sodium Aluminum Silicate)
Mineral for Fluorite; Mineral/Rock for Jadeite (as it's often a rock composed primarily of jadeite mineral)
Labradorite
(Ca, Na)(Al, Si)4O8 (Calcium Sodium Aluminum Silicate)
mineral
Jasper (Green Jasper/Chert)
Silicon Dioxide (SiO2)
sedimentary
Imperial Topaz
Al2SiO4(F,OH)2 (Fluorine-bearing Aluminum Silicate)
gemstone
Jasper
Silicon dioxide (SiO2) with impurities
sedimentary
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2)
mineral
Soil with Mineral Detritus and Quartz Fragments
Regolith / Silicate Mineral Aggregate
sedimentary
Slag (Industrial Glass Slag)
Amorphous Silica / Ferro-silicate Slag
mineraloid / anthropogenic
Jadeite Jade
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Orange tumbled stone, likely carnelian
Carnelian: orange-red microcrystalline quartz, SiO₂ (chalcedony)
gemstone
Rose Quartz
Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)
mineral
Moss Agate
Chalcedony (SiO2) with inclusions of hornblende or chlorite
mineral
Almandine Garnet
Iron aluminum silicate (Fe3Al2(SiO4)3)
mineral
Nephrite Jade
Nephrite
Mineral/Rock
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Aquamarine (Pendant) and Jasper (Beads)
Beryllium aluminum silicate (Be3Al2Si6O18) with Chalcedony (SiO2)
mineral
Larimar
Pectolite (Sodium Calcium Silicate Hydroxide) - (NaCa2(Si3O8)(OH))
Mineral
Picture Jasper
Silicon Dioxide (SiO2)
sedimentary
Red Jasper (Silicate Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Epidote-bearing Rock
Epidote / Silicate mineral aggregate
metamorphic
Rough Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Jasper (Green Jasper / Moss Agate variety)
Silicon Dioxide (SiO2)
sedimentary