Yellow Quartzite Pebble
Quartzite (SiO2)
Category
Browse metamorphic rock (formed from a fibrous crocidolite asbestos) specimens identified by the Rock Identifier community.
Yellow Quartzite Pebble
Quartzite (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Gneiss
Gneiss
Satin Spar (often marketed as Selenite)
Fibrous Gypsum (CaSO4·2H2O)
Quartz (Rock Crystal)
Quartz (SiO₂ - Silicon Dioxide)
Emerald In Matrix
Beryl (Be3Al2Si6O18) with trace Chromium/Vanadium
Green Quartzite (Aventurine-like)
Quartzite (primarily SiO2 with chromium-rich mica or chlorite inclusions)
Quartzite
Quartzite (SiO2)
Slate
Slate (Metamorphic Rock)
Gneiss (with Quartzite and Mica)
Gneiss
Biotite Mica
Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)
Quartz (likely Milky Quartz)
Quartz (SiO₂ - Silicon Dioxide)
Amethyst
Silicon Dioxide with Iron impurities (SiO2)
River Pebble (Quartzite/Sandstone mix)
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Quartz (Milky or Common Quartz)
Silicon Dioxide (SiO2)
Orange Quartzite (River Pebble)
Quartzite (SiO2 with iron oxide inclusions)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Quartzite River Rock
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Yellow Quartzite
Quartzite (SiO2)
Lapis Lazuli
Lapis Lazuli (Mineral composition: Lazurite (Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2, Calcite, and Pyrite)
Satin Spar (Gypsum)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Lapis Lazuli
Lazurite-rich metamorphic rock
Moonstone
Orthoclase Feldspar (KAlSi3O8)
Quartzite River Rock
Metamorphic Quartzite (primarily SiO2)
Yellow Quartzite (River Pebble)
Quartzite (mainly SiO2)
Quartzite (River Pebble)
Meta-quartzite (composed primarily of SiO2)
Quartz Pebble (Milky Quartz)
Silicon Dioxide (SiO2)
Pink Quartzite
Silica (SiO2) - Metamorphic rock
Gold Ore in Quartz
Native Gold (Au) in Quartz (SiO2)
Quartzite
Quartzite (SiO2)
River Pebble (Likely Quartzite or Chert)
Quartzite (primarily SiO2)
Gneiss (specifically Granitic Gneiss)
Gneissic Metamorphic Rock
Quartzite
Quartzite (primarily SiO2)
Gneiss
Gneiss (High-grade regional metamorphic rock)
Malachite
Copper carbonate hydroxide Cu2CO3(OH)2
Lapis Lazuli
Lapis Lazuli (Metamorphic rock containing lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, calcite, and pyrite)
Yellow Quartzite
Quartzite (SiO2 with iron oxide inclusions)
Pink Quartzite Pebble
Metamorphic Quartzite (SiO2 with iron oxide inclusions)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)