Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Igneous And Metamorphic
Browse igneous and metamorphic specimens identified by the Rock Identifier community.
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Magnetite
Magnetite (Fe3O4)
mineral
Citrine
Silicon Dioxide (SiO2)
gemstone
Quartz (Crystal)
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Blue Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Aventurine (Green Aventurine)
Silicon Dioxide with Fuchsite inclusions (SiO2)
mineral
Feldspar (with Quartz / Iron Staining)
Potassium Feldspar / Plagioclase (KAlSi3O8 - NaAlSi3O8 to CaAl2Si2O8)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Talc Schist / Soapstone
Talc (Mg3Si4O10(OH)2)
metamorphic
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Aquamarine (Beryl) Beads
Beryllium aluminum silicate (Be3Al2Si6O18)
gemstone
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Green Quartz (Prasiolite)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Sunstone (Feldspar)
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Blue Sapphire (Faceted)
Corundum (Al2O3)
gemstone
Rough White Zircon
Zircon (Zirconium Silicate, ZrSiO4)
mineral
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
mineral
Labradorite
(Ca, Na)(Al, Si)4O8
mineral
Pyrite (Fool's Gold) in Matrix
Iron Disulfide (FeS2)
mineral
Black Tourmaline (Schorl) on Quartz
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
mineral
Clear Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Hematite (likely Botryoidal or Specularite variant)
Iron(III) oxide (Fe2O3)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Sapphire (Rough)
Corundum (Al2O3)
mineral
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Cream Quartz Bead
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Feldspar (specifically Orthoclase)
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Red Garnet (Pyrope or Almandine)
Garnet Group (A3B2(SiO4)3)
mineral
Quartz (Smoky/Grey variety)
Silicon Dioxide (SiO2)
mineral