Chrysocolla in Matrix
Hydrated copper silicates (Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O))
mineral
Category
Mineral (Silicate Variety)
Browse mineral (silicate variety) specimens identified by the Rock Identifier community.
Learn about Mineral (Silicate Variety) in the encyclopedia
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Corundum (Ruby Variety)
Corundum (Al2O3)
mineral
Polychrome Jasper
Silicon Dioxide (SiO2) - Impure Variety of Chalcedony
sedimentary
Jasper (Yellow Jasper)
Silicon Dioxide (SiO2) with iron inclusions
sedimentary
Quartz / Quartzite
Quartz (Silicon Dioxide, SiO2)
metamorphic
Quartz (Iron-stained or Orange Quartz)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Small fragments)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (milky quartz variety)
Quartz (SiO₂)
Mineral
Bloodstone / Heliotrope
Cryptocrystalline Quartz (SiO2 with inclusions)
sedimentary
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Leopard Skin Jasper
Silicon Dioxide (SiO2) with various inclusions
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions
sedimentary
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) - variety of Chalcedony
sedimentary
Schist/Phyllite
Metamorphic Schist (Chlorite Schist variety)
metamorphic
Fancy Jasper
Chalcedony (cryptocrystalline quartz) with inclusions
Mineral
Red Tiger's Eye beads
Tiger's Eye (variety of Chalcedony, SiO2)
Mineral / Gemstone (variety of Quartz)
Quartz
Silicon Dioxide (SiO2)
Mineral
Quartz (likely a clear or rock crystal variety)
Quartz (SiO2 - Silicon Dioxide)
Mineral
Eagle Eye Stone (Green Tiger's Eye)
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Zebra Jasper
Silicon Dioxide (SiO2) with impurities; typically a form of Chalcedony/Microcrystalline Quartz
sedimentary
Schorl (Black Tourmaline) in Matrix
Sodium Iron Aluminum Borosilicate Hydroxide (NaFe2+3Al6Si6O18(BO3)3(OH)3OH)
mineral
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn+2,Fe+2,Mg,Ca)SiO3
mineral
Fluorite, Sodalite, and Rose Quartz collection
Calcium Fluoride (CaF2), Sodium Aluminum Silicate with Chlorine (Na8(Al6Si6O24)Cl2), Silicon Dioxide (SiO2)
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Chalcedony (or a variety of Chalcedony, likely Agate or Jasper)
Chalcedony (SiO₂)
Mineral (or mineraloid if microcrystalline)
Obsidian
Obsidian (principally SiO2)
igneous
Quartz (likely a macrocrystalline variety like milky quartz or smoky quartz, given the appearance in the image)
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Quartz Pebble (Chalcedony/Agate variety)
Silicon Dioxide (SiO2)
mineral
Pyrite
Pyrite (Iron sulfide, FeS₂)
Mineral
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2
mineral
Opalite
Synthetic Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral