Raw Citrine
Citrine (Silicon Dioxide - SiO2)
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
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Carnelian
Carnelian (Silicon Dioxide: SiO2)
mineral
Clear Quartz (Rock Crystal Fragments)
Silicon Dioxide (SiO2)
mineral
Aventurine (likely Green Aventurine)
Quartz (SiO2) with included minerals (Fuchsite or Chlorite for green color)
Mineral
Cream River Jasper
Silicified microcrystalline quartz (SiO2)
sedimentary
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Mineral
Blue Sapphire
Corundum (Al2O3)
mineral
Quartz (Milky/Cloudy Variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
SiO2 (Silicon Dioxide with trace amounts of titanium, iron, or manganese)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
gemstone
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Amygdaloidal Basalt
Basalt with secondary mineral infillings (SiO2, (Ca,Na)2-3(Mg,Fe,Al)5Si8O22(OH)2)
igneous
Red Jasper (possibly)
Jasper (a variety of Chalcedony, SiO2)
Mineral
Jasper with Quartz Veining
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Snowflake Obsidian
Spherulitic Volcanic Glass (primarily SiO2 with Cristobalite inclusions)
igneous
Chert (White Chert)
Silicon Dioxide (SiO2)
sedimentary
Snowflake Obsidian
Vitreous Volcanic Rock (Amorphous Silicate), SiO2
igneous
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Chert
Chert (SiO2)
sedimentary
Amazonite
K(AlSi3O8) - Microcline variant
mineral
Gneiss
Gneiss
metamorphic
Jasper
Silicon dioxide (SiO2)
sedimentary
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Amethyst Geode (Thunderegg)
Silicon Dioxide (SiO2) - Quartz Variety: Amethyst
mineral
Blue Chalcedony Geode (with Quartz Druzy)
Silicon Dioxide (SiO2) - Microcrystalline variety of Quartz
mineral
Amethyst
Amethyst (Quartz variety), Silicon Dioxide (SiO2)
mineral
Agate Geode
Silicon Dioxide (SiO2) - Chalcedony / Quartz Variety
Mineral
Banded Agate (specifically Sardonyx)
Silicon Dioxide (SiO2) - variety of Chalcedony/Quartz
mineral
Lace Agate (specifically Red Lace Agate)
Silicon Dioxide (SiO2) - variety of Chalcedony/Quartz
Mineral
Sardonyx Cameo
Silicon Dioxide (SiO2) - variety Cryptocrystalline Quartz
Mineral
Dyed Blue Agate (Slab)
Agate (Variety of Chalcedony/Microcrystalline Quartz), SiO2
mineral
Green Aventurine
Aventurine (a variety of Quartz, SiO2 with fuchsite inclusions)
Mineral
Green Aventurine
Quartz (Aventurine variety) - SiO₂ with Fuchsite inclusions
Mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Pink Granite
Phaneritic Felsic Igneous Rock (high K-feldspar)
igneous
Chert (specifically Tan Chert)
Chert (SiO2)
sedimentary
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
mineral
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Mineral