Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Category
Browse mineral, specifically a variety of quartz specimens identified by the Rock Identifier community.
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Chert (specifically Flint or Jasper variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
White Quartz
Quartz (SiO2)
Chert (and Flint)
Chert (SiO2)
Agate Geode Node
Cryptocrystalline Quartz (SiO2)
Chert (Chert Nodule)
Microcrystalline quartz (SiO2)
Quartz (likely macrocrystalline variety)
Quartz (SiO₂)
Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz (Peach/Orange variety)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (specifically Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Quartz (Pale Rose or Milky Variety)
Silicon Dioxide (SiO2)
Hag Stone
Perforated Sedimentary Rock (typically Limestone or Sandstone)
Quartz (Milky or Smoky Quartz)
Silicon Dioxide (SiO2)
Sandstone (specifically Lithic or Quartz Arenite)
Arenite (composed primarily of SiO2)
Quartz (Milky or Rough Quartz)
Silicon Dioxide (SiO2)
Quartz Druzy Geode
Silicon Dioxide (SiO2) - Crystalline Variety
Rose Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Banded Jasper (possibly "Picture Jasper")
Jasper (a microcrystalline variety of Quartz / Silicon Dioxide - SiO2)
Carnelian
Carnelian (Silicon Dioxide - SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Agate (specifically Chalcedony/Banded Agate)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon dioxide (SiO2)
Banded Calcite (often sold as 'Mexican Onyx')
Calcite (Calcium Carbonate, CaCO3)
Quartz Geode
Silicon Dioxide (SiO2)
Quartz (Chert/Chalcedony Variety)
Silicon Dioxide (SiO2)
Rough Quartz (likely Rose or Smoky variant)
Silicon Dioxide (SiO2)
Blue Chalcedony
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO₂)
Quartz (various varieties)
SiO₂ (Silicon Dioxide)
Clear Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Rose Quartz (SiO2 with traces of Ti, Fe, or Mn)
Rose Quartz
SiO2 (Silicon Dioxide with trace inclusions)
Veined Pebble (likely a Quartz-Veined Pebble)
Pebble with Mineral Vein (e.g., Quartz Vein in a Chert/Mudstone Pebble)
Quartz (Milky/Crystal Variety)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with iron and magnesium inclusions