Quartz (Yellow / Citrine Quartz Pebble)
Silicon Dioxide (SiO2)
Category
Browse metamorphic or igneous (context dependent) specimens identified by the Rock Identifier community.
Quartz (Yellow / Citrine Quartz Pebble)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Citrine
Citrine (Silicon Dioxide, SiO2)
Blue Apatite
Fluorapatite - Ca5(PO4)3F
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
Labradorite (or Plagioclase Feldspar Pebble)
(Ca,Na)(Al,Si)4O8
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Pyrite with Quartz
Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Sapphire
Corundum (Al2O3)
Quartz (Field Stone)
Silicon Dioxide (SiO2)
Orange Sapphire
Corundum (Al2O3 with trace elements)
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
White Quartz Pebble
Silicon Dioxide (SiO2)
Moonstone
Orthoclase (KAlSi3O8) with Albite inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Milky Quartz Pebble
Crystalline Quartz (SiO2)
Quartz Pebble
Crystalline Silica (SiO2)
Smoky Quartz with Inclusions
Silicon Dioxide (SiO2)
Quartz (Milky or Yellowish)
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide with Iron Impurities (SiO2)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Pyrite
Iron Disulfide (FeS2)
Native Gold
Native Gold (Au)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Yellow Sapphire (Raw)
Corundum (Al2O3)
Clear Quartz
Silicon Dioxide (SiO2)
Cloudy Quartz with Mica inclusions
Silicon Dioxide (SiO2) with accessory Muscovite KAl2(AlSi3O10)(OH)2
Amethyst
Silicon Dioxide (SiO2)
White Quartz Star
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Milky Quartz (Water-worn Pebble)
Quartz (Silicon Dioxide) - SiO2
Orange Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions
Blue Star Sapphire
Corundum (Al2O3)
Pyrite
Iron Sulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)