Amethyst
Quartz variety; SiO2 (Silicon Dioxide)
Mineral
Category
Mineral (Variety Of Quartz)
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
Learn about Mineral (Variety Of Quartz) in the encyclopedia
View all →
Agate (specifically a Blue Agate Geode Slice)
Chalcedony (cryptocrystalline variety of Quartz); SiO2
mineral
Dzi Bead (Agate)
Chalcedony (cryptocrystalline variety of Quartz), SiO2
mineral
Carnelian
Carnelian (microcrystalline variety of Quartz, SiO2)
mineral
Blue Dyed Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
mineral
Blue Lace Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
mineral
Green Banded Agate
Agate (Variety of Chalcedony/Quartz), SiO2
mineral
Agate
Agate (Cryptocrystalline Variety of Quartz, SiO2)
Mineral
Banded Agate (specifically Eye Agate / Chalcedony)
Agate (Cryptocrystalline variety of Quartz, SiO2)
mineral
Blue Lace Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
mineral
Agate
Agate (a cryptocrystalline variety of Quartz, SiO₂)
Mineral
Banded Agate (Lace Agate)
Agate (Variety of Cryptocrystalline Quartz), SiO2
mineral
Granite
Granite (Phaneritic Acidic Igneous Rock)
igneous
Quartz (Milky Quartz)
Quartz (SiO2 - Silicon Dioxide)
Mineral
Onyx
Onyx (a variety of Chalcedony, SiO₂)
Mineral
Green Aventurine and Clear Quartz
Green Aventurine (Silicon Dioxide - SiO2 with Fuchsite inclusions); Clear Quartz (Silicon Dioxide - SiO2)
Mineral
Chert with Quartz Druzy
Microcrystalline Quartz (SiO2) with Drusy Quartz Coating
sedimentary
Red Chalcedony (likely dyed)
Chalcedony (a variety of Quartz), SiO2
Mineral (Cryptocrystalline Quartz)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Rose Quartz (SiO2 with inclusions of Dumortierite)
mineral
Green Quartzite (Aventurine variety)
Silicon Dioxide (SiO2) with inclusions of Fuchsite
metamorphic
Carnelian
Carnelian (Silicon Dioxide: SiO2 with Iron Oxide impurities)
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
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
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Rose Quartz
Crystalline Silicon Dioxide with trace Titanium, Iron, or Manganese (SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Smoky Quartz (SiO2)
Mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
Mineral
Pink Quartz (Rose Quartz)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Rose Quartz
Rose Quartz (SiO2 with traces of Titanium, Iron, or Manganese)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Fuchsite on Quartz
Muscovite (KAl2(AlSi3O10)(OH)2) with Chromium impurities
metamorphic
Granite
Granite (Mainly Quartz SiO2, Alkali Feldspar (K,Na)AlSi3O8, and Plagioclase Feldspar)
igneous
Agate (Chalcedony Variation)
Silicon Dioxide (SiO2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral