Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Specifically A Mineraloid)
Browse mineral (specifically a mineraloid) specimens identified by the Rock Identifier community.
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Amazonite
K(AlSi3O8) - Microcline
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Tourmalinated Quartz
Silicon Dioxide (SiO2) with Schorl inclusions (NaFe2+3Al6(BO3)3Si6O18(OH)4)
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Smoky Quartz (with Iron Inclusions)
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (likely Herkimer Diamond style)
Silicon Dioxide (SiO2)
mineral
Ocean Jasper
Silicon Dioxide (SiO2) microcrystalline quartz aggregate with inclusions
mineral
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Blue Quartzite
Quartzite with inclusions (often Dumortierite or Magnesio-riebeckite)
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Porphyritic Rhyolite
Porphyritic Rhyolite (SiO2)
igneous
Amazonite
K(AlSi3O8) (Microcline Feldspar)
mineral
Peach Moonstone
Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Note: Item is not a geological specimen
Guitar Components (Steel, Nickel, Plastic, Wood)
Synthetic/Consumer Product
Note: This is a Man-Made Object (Costume/Prop Patch)
Synthetic fiber and pigments (Cellulose/Plastic-based composite)
Non-geological
Chert (Arrowhead/Projectile Point)
Microcrystalline quartz (SiO2)
sedimentary
Amazonite
K(AlSi3O8) - Lead-bearing Microcline
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz with inclusions
Silicon Dioxide (SiO2)
mineral
Green Apophyllite
Fluorapophyllite-(K), KCa4(Si8O20)(F,OH)·8H2O
mineral
Amazonite
Amazonite (KAlSi3O8)
mineral
Chlorastrolite (Isle Royale Greenstone)
Chlorastrolite (Pumpellyite-(Mg,Fe2+): Ca2MgAl2(Si2O7)(SiO4)(OH)2∙H2O)
mineral
Flint
Microcrystalline Quartz (SiO2)
sedimentary
Raw Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Citrine Quartz carving
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Blue Sapphire (in a faceted jewelry setting)
Corundum (Al2O3) with trace Iron and Titanium
mineral
Tourmalinated Quartz
Silicon Dioxide (SiO2) with inclusions of Schorl (NaFe2+3Al6Si6O18(BO3)3(OH)3OH)
mineral
Limonite Pseudomorph after Pyrite
Limonite (Hydrous iron oxides, FeO(OH)·nH2O) replacing Pyrite (FeS2)
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Montana Moss Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Yooperlite (Sodalite-bearing Syenite)
Sodalite-rich Syenite
igneous
Himalayan Pink Salt (Halite)
Halite (Sodium Chloride, NaCl)
sedimentary
Ocean Jasper
Spherulitic Chalcedony (SiO2)
mineral
Glauconite
Glauconite (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
sedimentary