Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Category
Crystal
Browse crystal specimens identified by the Rock Identifier community.
Yellow Chalcedony (common opal or chert variant)
Silicon Dioxide (SiO2)
sedimentary (mineraloid/microcrystalline quartz)
Moss Agate
Silicon Dioxide with inclusions (SiO2 + Mn/Fe/Chlorite)
mineral
Mookaite Jasper
Silicon Dioxide (SiO2) - variety of Chert/Jasper
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Jasper (likely Ocean Jasper or Variegated Jasper)
Silicon Dioxide (SiO2) with impurities
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Amethyst (Tumbled)
Crystalline Quartz (SiO2 with iron impurities)
mineral
Tiger's Iron
Pseudomorphic Quartz Aggregate (contains SiO2 with Fe2O3 and FeOOH)
metamorphic
Sunstone with Moonstone (Peach Moonstone)
Orthoclase Feldspar (KAlSi3O8)
mineral
Mahogany Obsidian
Obsidian (Volcanic Glass) with Hematite/Magnetite inclusions
igneous
Carnelian
Carnelian (a variety of Chalcedony) - SiO2
mineral
Carnelian
Carnelian (Microcrystalline Quartz, SiO2)
Mineral
Fancy Jasper
Silicon Dioxide (SiO2) with impurities
mineral
Red Jasper
Jasper (Silicon Dioxide based crypto-crystalline Quartz with Iron inclusions)
sedimentary
Amazonite (with smoky quartz/red jasper inclusions)
Tectosilicate - Microcline Feldspar (KAlSi3O8)
Mineral
Red Jasper (possibly Carnelian)
Silicon Dioxide (SiO2) with Hematite impurities
mineral
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with Crocidolite or Magnesio-riebeckite inclusions
metamorphic
Green Aventurine
Aventurine Quartz (SiO2 + Muscovite/Fuchsite)
metamorphic
Zebra Jasper
Jasper (variety of Quartz/Chalcedony), SiO2
sedimentary
Quartz (Smoky or Impure Variety)
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Yellow Chalcedony
Silicon Dioxide (SiO2)
mineral
Granite
Granite (Felsic Plutonic Rock / SiO2 + Al2O3 + K2O + Na2O + CaO + FeO + MgO)
igneous
Emerald in Host Rock
Beryl (Be3Al2Si6O18) containing Chromium and/or Vanadium
mineral
Schist with Garnet inclusions
Garnet-mica-schist
metamorphic
Rough Star Sapphire (Corundum)
Al2O3 (Aluminum Oxide)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
mineral
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Red Moss Agate (Jasper)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Unakite (Epidote with Quartz and Feldspar)
Unakite (Metasomatized Granitic Rock)
metamorphic
Apricot Agate
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Labradorite (specifically Larvikite beads)
Plagioclase Feldspar (Na,Ca)(Si,Al)4O8
igneous
Banded Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Green Aventurine
Quartzite with Fuchsite (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Unakite
Unakite (Altered Granite composed of Orthoclase KAlSi3O8, Epidote Ca2(Al, Fe)3(SiO4)3(OH), and Quartz SiO2)
metamorphic
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Dalmatian Stone
Dalmatian Jasper (a misnomer for an Aplite with Arfvedsonite spots)
igneous
Carnelian Agate
Chalcedony (SiO2) with iron oxide inclusions
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Tiger Iron
Tiger Iron (composite of Tiger's Eye, Red Jasper, and Hematite)
metamorphic