Green Aventurine
SiO2 (Quartz) with inclusions of Fuchsite
Category
Browse man made glass mineral simulant specimens identified by the Rock Identifier community.
Green Aventurine
SiO2 (Quartz) with inclusions of Fuchsite
Obsidian (Apache Tear)
Volcanic Glass (High-silica Rhyolite)
Green Aventurine (Tumbled Quartz)
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)3Si3O10(OH)2)
Mahogany Obsidian
Volcanic Glass with Hematite inclusions (SiO2)
Mahogany Obsidian
Obsidian (Volcanic Glass with Hematite/Magnetite inclusions), SiO2
Obsidian
Volcanic Glass (70-75% SiO2 with MgO and Fe3O4)
Black Obsidian
Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)
Obsidian
Obsidian (principally SiO2 + MgO, Fe3O4)
Obsidian
Obsidian (Volcanic Glass, SiO2 dominated)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Raw Chunk)
Silicon Dioxide (SiO2)
Tumbled Amethyst
Quartz (SiO2) with trace amounts of Iron (Fe)
Smoky Quartz occurring with Feldspar
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)
Quartz Pebble (with probable inclusions or staining)
Quartz (Silicon Dioxide - SiO2)
Quartz pebble
Silicon dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2) with Hematite/Limonite
Quartz Pebble
Silicon Dioxide (SiO2)
Jasper Shard / Chert
Silicon dioxide (SiO2)
Muscovite Mica in Quartz
Potassium Aluminum Silicate Hydroxide (KAl2(AlSi3O10)(OH)2) and Silicon Dioxide (SiO2)
Blue lace agate (tumbled)
Microcrystalline quartz, SiO₂ (chalcedony variety)
Quartz Crystal (Geode Fragment)
Silicon Dioxide (SiO2)
Tumbled Amethyst
Silicon Dioxide (SiO2) with iron impurities
Clear Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Orangey-Yellow variety)
Silicon Dioxide (SiO2)
Quartz (Chatoyant or Milky variety)
Silicon Dioxide (SiO2)
Quartz Sand
Silicon Dioxide (SiO2)
Orthoclase Feldspar (Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
Milky Quartz
Silicon Dioxide (SiO2)
Muscovite
Muscovite, KAl2(AlSi3O10)(OH)2
Muscovite Mica
Muscovite - KAl2(AlSi3O10)(F,OH)2
Clear Quartz (Tumbled)
Silicon Dioxide (SiO2)
Quartz (Citrine or Smoky variety)
Silicon Dioxide (SiO2)
Orange calcite
Calcite (CaCO₃)
Quartz (Iron-Stained or Milky Quartz)
Silicon Dioxide (SiO2)
Amethyst geode
Quartz (SiO₂), purple variety amethyst; commonly in basalt-hosted geodes
Smoky Quartz
Silicon Dioxide (SiO2)
Tumbled Agate and Chalcedony
Cryptocrystalline Quartz (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese