Jasper (brecciated or orbicular variety)
Silicon dioxide (SiO2) with iron oxide inclusions
sedimentary/mineral
Category
Mineral (Variety Of Quartz)
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
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Milky Quartz
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar (Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Granite
Granite
igneous
Agate
Silicon Dioxide (SiO2) - variety Chalcedony
mineral
Smoky Quartz
Quartz (SiO2) with natural radiation
mineral
Chert (Quartz Variety)
Silicon Dioxide (SiO2)
sedimentary
Ametrine
Ametrine (SiO2 - Silicon Dioxide with trace amounts of Iron)
mineral
Pink Granite
Phaneritic intrusive igneous rock with dominant Alkali Feldspar
igneous
Red Quartz (Druzy)
Silicon Dioxide (SiO2) with Hematite inclusions
mineral
Gray Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Rose Quartz (SiO₂)
Mineral
Granite
Granite (composed primarily of Quartz SiO2, Feldspar (KAlSi3O8), and Mica)
igneous
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Smoky Quartz
Smoky Quartz (SiO2: Silicon Dioxide)
mineral
Carnelian
Carnelian (SiO2 - Silicon Dioxide)
mineral
Black Onyx
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Pink/Orange Variety)
Silicon Dioxide (SiO2)
mineral
Basalt with Amygdule
Aphanitic Mafic Volcanic Rock (Basalt) with Zeolite/Quartz Infill
igneous
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Fancy Jasper
Chalcedony (cryptocrystalline quartz) with inclusions
Mineral
Jasper (Milky/Cream Variety)
Silicon Dioxide (SiO2) - variety of Chalcedony
sedimentary (chemical/biological)
Green Aventurine
Aventurine (Quartz variety), SiO2
metamorphic
Granite (Pink/Red variety)
Phaneritic Felsic Intrusive Igneous Rock (composed primarily of Quartz, K-Feldspar, and Plagioclase)
igneous
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Milky Quartz
Quartz (SiO₂)
Mineral
Blue Chalcedony (Tumbled)
Silicon Dioxide (SiO2)
mineral
Fuchsite on Quartzite
Muscovite (Chromium-bearing) K(Al,Cr)2(AlSi3O10)(OH)2
metamorphic
Aventurine (likely Green Aventurine)
Aventurine (a variety of quartz, SiO₂, with common inclusions of fuchsite)
Mineral/Metamorphic Rock
Raw Emerald
Beryl (Be3Al2(SiO3)6) with Cr/V impurities
mineral
Lake Superior Agate
Silicon Dioxide (SiO2) - Variety Agate
mineral
Quartz
Quartz (SiO2 - Silicon Dioxide)
Mineral
Red Jasper
Red Jasper (variety of Chalcedony, SiO₂)
Mineral
Quartz (Variety: Rose Quartz/Smoky Quartz mix)
Silicon Dioxide (SiO2)
mineral
Quartz (Small fragments)
Silicon Dioxide (SiO2)
mineral
Jasper Beach Pebble
Silicon Dioxide (SiO2) - Macro-crystalline Quartz
sedimentary
Chert (Flint variety)
Chert (Cryptocrystalline variety of Quartz, SiO2)
sedimentary
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Banded Agate / Lace Agate
Agate (Silica/Quartz) - SiO2
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Red Jasper
Jasper (SiO2 with Fe2O3 inclusions)
sedimentary