Schist
Mica Schist
Category
Browse metamorphic (localized) or sedimentary specimens identified by the Rock Identifier community.
Schist
Mica Schist
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Orange Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions
Slate
Foliated Metamorphic Rock (composed primarily of Quartz, Muscovite, and Illite)
Marble
Recrystallized Calcite / Dolomite (CaCO3)
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide), NaFe3Al6(BO3)3Si6O18(OH)4
Serpentinite
Serpentinite (composed largely of serpentine group minerals including Antigorite, Lizardite, or Chrysotile)
Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
Smoky Quartz
Silicon Dioxide (SiO2)
Unakite
Unakite (Altered Granite consisting of Orthoclase KAlSi3O8, Epidote Ca2(Al,Fe)3(SiO4)3(OH), and Quartz SiO2)
Talc (Soapstone variety)
Talc (Hydrated magnesium silicate) - Mg3Si4O10(OH)2
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Greenschist (Greenstone River Pebble)
Greenschist (Chlorite Schist)
Milky Quartz
Silicon Dioxide (SiO2)
Red Jade (Dyed Quartzite)
Silicon Dioxide (SiO2) - variety Quartzite
Green Quartzite
Quartzite (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8) with Albite
Gold Ore in Quartz
Native Gold (Au) in Quartz (SiO2)
Chakra Stone Bracelet (mixed gemstones)
Multi-mineral/Gemstone assembly (primarily Quartz variety beads)
Milky Quartz
Silicon Dioxide (SiO2)
Tiger's Eye
SiO2 (Quartz with inclusion of iron oxides)
Schist
Schist (primarily mica-schist)
Quartzite
Quartzite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Greenschist
Greenschist (Chlorite Schist)
Yellow Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily Silicon Dioxide, SiO2)
Green Quartzite
Quartzite (SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Blue Quartzite (Aventurine)
Silicon Dioxide (SiO2) with mineral inclusions
Blue Quartzite (River Pebble)
Quartzite (primarily SiO2 with Dumortierite or Crocidolite inclusions)
Orange Quartz
Crystalline Silicon Dioxide (SiO2) with iron oxide inclusions
Prase quartz with actinolite inclusions
Silicon dioxide (SiO2) with Calcium Magnesium Iron Silicate Hydroxide inclusions
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Mica
Silicon Dioxide (SiO2) with Muscovite Mica [KAl2(AlSi3O10)(OH)2]
Smoky Quartz
Silicon Dioxide (SiO2)
Dumortierite Quartz (Blue Quartz)
Al7BO3(SiO4)3O3 (Aluminum Boro-silicate included in Quartz)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
White Jade (Mutton Fat Jade / Nephrite)
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
Peacock Ore
Bornite (Cu5FeS4)
Greenschist (containing Epidote and Quartz)
Greenschist (Epidote-Chlorite-Actinolite Schist)