Mixed Mineral and Rock Collection
Mixed geological specimens (Quartz, Amethyst, Rose Quartz, Jasper, Epidote, Chert)
mineral
Category
Minerals
Browse minerals specimens identified by the Rock Identifier community.
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Schist
Schist
Metamorphic
Granite Pebble
Granite (Felsic Plutonic Rock)
igneous
Quartz-rich mineral fragment
Quartz (silicon dioxide, SiO₂), possibly milky quartz
mineral
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Chalcopyrite
Copper iron sulfide (CuFeS2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Rounded quartz-rich beach pebble
Likely milky quartz or quartzite (SiO₂)
mineral
Rhodochrosite with Quartz
Manganese Carbonate (MnCO3) with Silicon Dioxide (SiO2)
mineral
Chalcopyrite in Quartz (Gossan/Iron Hat)
CuFeS2 (Chalcopyrite) with SiO2 (Quartz)
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Green Andesite (or Greenstone / Altered Volcanic Rock)
Intermediate Volcanic Rock with Chlorite/Epidote Alteration
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Milky quartz (rough quartz pebble)
Quartz, silicon dioxide (SiO₂)
mineral
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Clear quartz pebble
Quartz (silicon dioxide, SiO₂)
mineral
Iron-stained quartz crystal
Quartz, silicon dioxide (SiO₂), likely limonite/goethite inclusions or surface staining
mineral
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Milky quartz pebble
Quartz (silicon dioxide, SiO₂)
mineral
Milky quartz (likely iron-stained quartz)
Quartz, silicon dioxide (SiO₂)
mineral
Raw quartz crystal, likely iron-stained quartz
Quartz (silicon dioxide, SiO₂)
mineral
Quartz-bearing rock, possibly milky quartz or quartzite
Quartz (SiO₂), potentially quartzite if metamorphosed
mineral
Milky Quartz/Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Milky quartz (quartz-rich rock fragment)
Quartz, silicon dioxide (SiO₂)
mineral
White quartz pebble
Quartz (silicon dioxide, SiO₂), likely milky quartz
mineral
Tumbled white quartz
Quartz (silicon dioxide, SiO₂), likely milky quartz
mineral
Weathered quartz-rich pebble
Milky quartz, SiO₂, possibly quartzite or quartz-veined rock
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Pebble)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Milky quartz (likely weathered quartzite or quartz vein fragment)
Quartz, silicon dioxide (SiO₂)
mineral
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Quartz-rich translucent pebble, possibly iron-stained quartz or chalcedony
Quartz (SiO₂), potentially microcrystalline quartz (chalcedony)
mineral
Quartz Vein in Metamorphic Rock
Quartz-veined Schist or Gneiss
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
K-Feldspar (Potassium Feldspar)
Potassium Feldspar (Microcline or Orthoclase), KAlSi3O8
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Green Aventurine
SiO2
mineral