Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Category
Synthetic Glass (Often Categorized As A Simulated Mineral)
Browse synthetic glass (often categorized as a simulated mineral) specimens identified by the Rock Identifier community.
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Quartz with Mica inclusions (Gold-colored Mica)
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (Phlogopite/Muscovite) inclusions
Mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Chert (often called Flint or Jasper based on color)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Sandstone (Pebble)
Sandstone (SiO2 with matrix/cement)
sedimentary
Tumbled tree agate (dendritic agate)
Cryptocrystalline quartz, SiO₂, with manganese/iron-oxide dendrites
mineral
Sandstone (Quartzite Pebble)
Arenite (primarily SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (SiO2 based)
sedimentary
Feldspar-rich Pegmatite
Granitic Pegmatite (principally KAlSi3O8)
igneous
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Smoky Quartz (Ferruginous Quartz)
Quartz (Silicon Dioxide, SiO2)
mineral
Tumbled Agate
Silicon Dioxide (SiO2)
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Chert (specifically Yellow/Tan Chert)
Silicon Dioxide (SiO2)
sedimentary
Biotite Schist
Biotite Mica Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Milky Quartz
Silicon dioxide (SiO2)
mineral
Pyrite on Quartz
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
mineral
Mahogany Obsidian
Volcanic glass (SiO2 with Hematite or Magnetite inclusions)
igneous
Jasper
Chalcedony (Microcrystalline Quartz) - SiO2
sedimentary or metamorphic
Chert Nodule in Limestone
Chert (Microcrystalline Quartz, SiO2) and Limestone (Calcium Carbonate, CaCO3)
sedimentary
Green Aventurine
Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (Pebble)
Arenite (primarily SiO2)
sedimentary
Amethyst (Quartz)
SiO2 (Silicon Dioxide)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Blue Topaz
Al2SiO4(F,OH)2 (Fluorine-bearing aluminum silicate)
mineral
Amethyst
Crystalline Silicon Dioxide with Iron impurities (SiO2)
mineral
Carnelian Agate
Carnelian (Silicon Dioxide, SiO2)
mineral
Milky Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Iron-stained Quartz
Silicon Dioxide (SiO2) with Limonite/Hematite inclusions
mineral
Quartz (Iron-stained or Ferruginous)
Silicon Dioxide (SiO2)
mineral
Chert (Flint variety)
Microcrystalline context of Quartz (SiO2)
sedimentary