Smoky Quartz
Smoky Quartz (SiO2: Silicon Dioxide)
mineral
Category
Mineral With Metamorphic Or Sedimentary Host
Browse mineral with metamorphic or sedimentary host specimens identified by the Rock Identifier community.
Blue Dumortierite Quartz
AlAl6BSi3O18 (Dumortierite) within SiO2 (Quartz)
mineral
Yellow Aventurine
Silicon Dioxide (Quartz with Mica inclusions) SiO2
mineral
Garnet
Garnet Group (formula varies, e.g., Almasndine: Fe3Al2(SiO4)3)
mineral
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Peach Aventurine
Silicon Dioxide (SiO2) with inclusions
metamorphic
Sandstone (Quartz-rich)
Arenite (SiO2)
sedimentary
Greenstone
Greenschist (containing chlorite, epidote, and actinolite)
metamorphic
Schist
Mica Schist (Medium-grade metamorphic rock)
metamorphic
Lapis Lazuli
Lazurite-rich metamorphic rock (approx. (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Corundum (Sapphire and Ruby)
Aluminum Oxide (Al2O3)
mineral
Peach Moonstone Sphere
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Grey Agate
Silicon Dioxide (SiO2) - variety: Agate/Chalcedony
mineral
Smoky Quartz
Quartz (Silicon Dioxide), Formula: SiO2
mineral
Garnet
Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3
Mineral
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Blue Sapphire (likely costume glass imitation)
Corundum (Al2O3) with iron/titanium impurities
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Rough Corundum (Sapphire/Ruby mixture)
Corundum (Aluminum Oxide, Al2O3)
mineral
Greenstone (metamorphosed basalt)
Greenschist / Meta-basalt
metamorphic
Lapis Lazuli (Low Grade)
Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2)
metamorphic
Citrine
Silicon Dioxide (SiO₂)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Muscovite Mica (with Quartz matrix)
Muscovite - KAl2(AlSi3O10)(OH)2
mineral
Blue Aventurine
Quartzite with Dumortierite inclusions (SiO2)
metamorphic
Lapis Lazuli
Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Milky Quartz
Quartz (SiO₂)
Mineral
Sapphire (Rough Corundum)
Corundum (Aluminum Oxide, Al2O3)
mineral
Ruby (set in a gold pendant)
Ruby (Variety of Corundum, Al2O3)
mineral
Greenstone (Metabaltic/Greenschist)
Chlorite schist / Meta-basalt
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Amazonite
Microcline (KAlSi3O8 variant)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite
sedimentary
Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic
Serpentine Jade (New Jade/Olive Jade)
Serpentinite (a rock composed primarily of serpentine minerals) / Mg3Si2O5(OH)4 for Antigorite and Lizardite
Mineral
Corundum (Ruby variety)
Aluminium oxide (Al2O3)
mineral
Epidote (likely Pistacite in Epidosite rock)
Epidote: Ca2(Al,Fe)3(SiO4)3(OH)
metamorphic
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Schist
Mica Schist
metamorphic