Lapis Lazuli
Lapis Lazuli (a rock type, not a single mineral, composed primarily of lazurite, calcite, and pyrite)
Category
Browse metamorphic mineral specimens identified by the Rock Identifier community.
Lapis Lazuli
Lapis Lazuli (a rock type, not a single mineral, composed primarily of lazurite, calcite, and pyrite)
Serpentine
Antigorite/Lizardite (Mg,Fe)3Si2O5(OH)4
Included Quartz Beads (likely Phantom Quartz or Garden Quartz)
Quartz (SiO2) with various mineral inclusions
Dumortierite Quartz
Dumortierite (Al7BCuO15)
Jadeite Jade
NaAlSi2O6 (Sodium Aluminum Silicate)
River Pebble (likely Quartzite or Chert)
Silicon Dioxide (SiO2) crystal conglomerate
Quartzite
Metamorphic Rock (Mainly SiO2)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Smoky Quartz
SiO2 (Silicon Dioxide)
Mica Schist
Foliated Metamorphic Rock (Schist)
Quartz (milky quartz variety)
Quartz (SiO₂)
Serpentine
Serpentinite (group of minerals: (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
Pyrite
Pyrite (Iron Disulfide), FeS2
Aquamarine
Beryl (Be3Al2Si6O18), specifically the blue-green variety
Schist
Mica Schist (Metamorphic Rock)
Quartzite pebble
Metamorphic Quartzite (primarily SiO2)
Quartzite Pebble (with Iron Inclusions)
Metamorphic Rock (Mainly SiO2)
Quartzite
Metamorphic Rock (Mainly SiO2)
Pink Quartzite
Silica (SiO2) - Metamorphic rock
Quartzite
Metamorphic Quartzite (predominantly SiO2)
Quartzite pebble
Metamorphic rock (mainly SiO2)
Quartzite River Rock
Metamorphic Quartzite (primarily SiO2)
Orange Quartzite
Metamorphic Quartzite (primarily SiO2)
Quartzite
Metamorphic rock (primarily SiO2)
Quartzite (River Cobble)
Metamorphic Quartz-rich Rock
Quartzite Pebble
Metamorphic Quartzite (primarily SiO2)
Quartzite River Rock
Metamorphic Quartzite (primarily SiO2)
Phyllite
Phyllite (Foliated metamorphic rock)
Quartz (likely milky/gray variety)
Quartz (SiO₂)
Agate
Agate (a cryptocrystalline variety of Quartz, SiO₂)
Yellow Aventurine
Quartzite (formula: SiO2 with inclusions)
Graphite
Graphite (Carbon, C)
Unakite
Unakite (Altered Granite)
River Stone (Quartzite/Siltstone mixture)
Silicon Dioxide (SiO2) based metamorphosed sandstone
Cat's Eye Moonstone (Simulated/Synthetic or natural Cat's Eye Quartz/Glass)
There is no single scientific name. The appearance suggests either: Moonstone (feldspar group), Cat's Eye Quartz (SiO2), Apatite (Ca5(PO4)3(F,Cl,OH)), or most likely a synthetic material such as Fiber Optic Glass or 'Opalite' (a type of glass).
Quartz Vein in Host Rock (Gabbro or Basalt)
Silicon Dioxide (SiO2) with Mafic Silicates
Slate
Foliated Metamorphic Rock (composed primarily of Quartz, Muscovite, and Illite)
Jasper with Epidote (Unakite-related)
Epidotized Quartzite (composed of Quartz, Epidote, and Feldspar)
River Pebbles (Sandstone and Quartzite)
SiO2 (Quartz) dominated clastic rocks
Quartz (Crystal/Druzy Quartz)
Quartz (SiO₂)
Slate
Slate (Foliated Metamorphic Rock)
Mica Schist
Foliated Metamorphic Rock (Schist)