Leopard Skin Jasper
Chalcedony (cryptocrystalline Quartz)
Category
Browse mineral (specifically a variety of quartz) specimens identified by the Rock Identifier community.
Leopard Skin Jasper
Chalcedony (cryptocrystalline Quartz)
Blue Lace Agate
Chalcedony (SiO2)
Strawberry Quartz
Quartz (SiO2) with inclusions of Goethite or Hematite
Chert / Flint Nodular Fragment
Microcrystalline quartz (SiO2)
Yellow Jasper
Cryptocrystalline Quartz (SiO2)
Blue Quartzite
Quartzite (specifically a variety enriched with blue-coloring minerals)
Chalcedony (Agate/Chert)
Microcrystalline Quartz (SiO2)
Flint
Microcrystalline quartz (SiO2)
Black Veined Jasper (Spiderweb Jasper)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Citrine)
Silicon Dioxide (SiO2)
Chert / Flint
Silicon Dioxide (Microcrystalline Quartz, $SiO_2$)
Pink Satin Spar (Satin Spar Selenite Dyed)
Gypsum (CaSO4·2H2O)
Banded Agate (specifically Lace Agate type)
Silicon Dioxide (SiO2)
Jasper (specifically Polychrome or Desert Jasper)
Silicon Dioxide (SiO2) with iron oxide and other mineral impurities
Chert (or Jasper)
Microcrystalline Quartz (SiO2)
Green Aventurine
Aventurine (a variety of Quartz, SiO2)
Flint Pebble
Sedimentary cryptocrystalline quartz (SiO2)
Chert (Iron-stained)
Chert (Microcrystalline Quartz, SiO2)
Yellow Topaz (Imperial or Precious Topaz)
Al2SiO4(F,OH)2 (Aluminum Silicate Fluoride Hydroxide)
Smoky Quartz
Quartz (SiO2) with natural radiation
Agate (specifically a Banded Agate with a Quartz Druzy center)
Silicon Dioxide (SiO2)
Yellow Jasper
Cryptocrystalline Quartz (SiO2) with iron inclusions
Peach Aventurine
Quartz variety (SiO2 + Hematite/Goethite inclusions)
Pink Granite
Granite (Phaneritic Acidic Igneous Rock)
Moonstone with Black Tourmaline
Feldspar (KAlSi3O8) with inclusions of Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Satin Spar
Fibrous Gypsum (CaSO4·2H2O)
Smoky Quartz
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Amazonite
K(AlSi3O8) - Microcline
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
Quartz Geode
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Pink Granite
Phaneritic intrusive igneous rock (high Orthoclase Feldspar content)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Tiger's Eye
Tiger's Eye (a variety of Quartz, SiO₂)
Chert / Flint
Microcrystalline quartz (SiO2)
Amazonite
Microcline (variety Amazonite), K(AlSi3O8)
Yellow Jasper
Silicon Dioxide (SiO2) - Opaque variety of Chalcedony/Quartz
Chalcedony (specifically Agate and Carnelian variety)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Red Quartzite
Quartzite (primarily SiO2)