Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2
metamorphic
Category
Mineral Like (Natural Glass)
Browse mineral like (natural glass) specimens identified by the Rock Identifier community.
Quartz (Citrine or Iron-stained variety)
Silicon Dioxide (SiO2)
mineral
Natural Diamond (Faceted)
Diamond (pure carbon crystal, C)
mineral
Dyed Imperial Jasper (Sea Sediment Jasper)
Silicon Dioxide (SiO2) - Impure Quartz/Chalcedony
sedimentary
Blue Goldstone
Aventurine Glass (SiO2 with Cobalt/Copper inclusions)
man-made glass
Diamond
Carbon (C)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Quartz (Citrine variety)
Silicon Dioxide (SiO2)
mineral
Slag (Industrial Byproduct)
Ferro-silicate glass (Slag)
Anthropogenic (Man-made industrial deposit)
Green Aventurine
Aventurine Quartz (SiO2 + Fuchsite mica)
Mineral
Green Aventurine
Aventurine Quartz (SiO2 with inclusions)
metamorphic
Libyan Desert Glass
Impactite (vitreous silica), SiO2
mineral
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
metamorphic
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Quartz (Yellow/Citrine variety)
Crystalline Silicon Dioxide (SiO2)
mineral
Amethyst (Tumbled)
Amethyst (Silicon Dioxide, SiO2 + Fe4+)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Geode (Smoky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Red Sandstone
Arenite (predominantly Quartz with Hematite cementation)
sedimentary
Smoky Quartz (Polished)
Silicon Dioxide (SiO2)
mineral
Kimberlite
Kimberlite (Potassic ultramafic volcanic rock)
igneous
Asphalt (Road Aggregate)
Bituminous conglomerate
sedimentary
Citrine Quartz Sphere
Silicon Dioxide (SiO2)
mineral
Diamond
Native Carbon (C)
mineral
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
mineral
Shale
Laminated Mudstone
sedimentary
Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Citrine
Quartz (Silicon Dioxide - SiO2)
mineral
Opalite
Synthetic Opalised Glass
mineraloid (synthetic)
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Rough Citrine Quartz
Citrine (Silicon Dioxide, SiO2 with iron impurities)
mineral
Opaline Glass (Opalite)
Synthetic Silicon Dioxide Glass
Mineraloid (Man-made)
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with ferric iron impurities
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Fluorite (specifically Rainbow Fluorite or Purple Fluorite)
Calcium Fluoride (CaF2)
mineral
Citrine (Heat-treated or Natural Quartz)
Silicon Dioxide (SiO2)
mineral