Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Category
Man Made Glass
Browse man made glass specimens identified by the Rock Identifier community.
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Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon dioxide (SiO2)
sedimentary
Chert (Iron-rich or Slate-like variant)
Silicon Dioxide (SiO2)
sedimentary
Milky Quartz
Silicon dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Black Sapphire
Corundum (Al2O3 with iron and titanium impurities)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Olivine Basalt
Mafic Volcanic Rock (rich in (Mg, Fe)2SiO4)
igneous
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Chalcopyrite in Quartz (Gold-bearing Ore)
CuFeS2 (Chalcopyrite)
mineral
Fluorite
Fluorite (Calcium Fluoride - CaF2)
mineral
Quartzite Pebble (River Rock)
Quartzite (primarily SiO2)
metamorphic
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Fluorite (Green Fluorite)
Calcium Fluoride (CaF2)
mineral
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Quartz Druzy
Silicon Dioxide (SiO2)
mineral
Chalcedony (specifically Agate or Moonstone-like Quartz)
Silicon Dioxide (SiO2)
mineral
Obsidian Arrowhead
Obsidian (Volcanic Glass)
igneous
Blue Apatite
Chlorapatite / Fluorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Peridot (Olivine)
(Mg,Fe)2SiO4 (Magnesium Iron Silicate)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Slag (Industrial Glass)
Artificial Vitreous Silicate
mineraloid (anthropogenic)
Fluorite
Calcium Fluoride (CaF2)
mineral
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic
Sapphire (Raw/Rough)
Corundum (Al2O3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (mostly SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic