Carved Mottled Greenish-Yellow Crystal/Glass Object
Unknown; possibly a form of quartz (chalcedony/jadeite/nephrite) or glass/resin.
Category
Browse mineral (synthetic glass) specimens identified by the Rock Identifier community.
Carved Mottled Greenish-Yellow Crystal/Glass Object
Unknown; possibly a form of quartz (chalcedony/jadeite/nephrite) or glass/resin.
Chert Nodule in Limestone
Chert (Microcrystalline Quartz, SiO2) and Limestone (Calcium Carbonate, CaCO3)
Tektite (Indochinite)
Tektite (Natural Glass, SiO2 + Al2O3)
Tektite (Indochinite)
Tektite (natural glass, SiO2 + Al2O3)
Citrine (Heat-treated or Natural Quartz)
Silicon Dioxide (SiO2)
Quartz / Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Green Calcite
Calcite (Calcium Carbonate, CaCO3)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Rough Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO₂)
Rose Quartz Beads
SiO2 (Silicon Dioxide with trace inclusions of Ti, Fe, or Mn)
Amethyst
Amethyst (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Amethyst (Rough Quartz)
Silicon Dioxide (SiO2) with iron impurities
Chalcedony (Desert Rose or Botryoidal Chalcedony)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO₂)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky/Vein Quartz)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Smoky Quartz
Silicon Dioxide (SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions (Hematite/Limonite)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Dendritic Inclusions
Silicon Dioxide (SiO2)
Quartz (Drusy/Crystalline variety)
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Amethyst
Crystalline Silicon Dioxide with Iron impurities (SiO2)
Banded Agate (Tumbled)
Agate (Silicon Dioxide, SiO2 - Cryptocrystalline Quartz)
Milky Quartz (Water-worn Pebble)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide with trace Iron (SiO2)
Blue Topaz
Al2SiO4(F,OH)2 (Fluorine-bearing aluminum silicate)
Carnelian Agate
Carnelian (Silicon Dioxide, SiO2)
Quartz (Milky or Common Quartz)
Silicon Dioxide (SiO2)