Pink Thulite (in Pumice-like texture)
Pink Zoisite (Mn-bearing Zoisite), Ca2Al3(SiO4)3(OH)
Category
Browse metamorphic (localized) or sedimentary specimens identified by the Rock Identifier community.
Pink Thulite (in Pumice-like texture)
Pink Zoisite (Mn-bearing Zoisite), Ca2Al3(SiO4)3(OH)
Peacock Ore (Bornite/Chalcopyrite)
Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2)
Chalcopyrite
Chalcopyrite (CuFeS2)
Blue Sapphire
Corundum (Al2O3) with iron and titanium impurities
Amazonite
Potassium Aluminum Silicate (KAlSi3O8)
Quartz River Cobble
Silicon Dioxide (SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Greenschist / Chloritaform Schist
Chlorite Schist (Group of Silicate Minerals)
Granitic Pegmatite
Granitic Pegmatite (principally Quartz, Potassium Feldspar, and Mica)
Schist
Mica Schist
Mica Schist
Mica Schist (predominantly Muscovite or Biotite)
Epidote in Matrix (Unakite-related)
Epidosite (Ca2(Al,Fe)3(SiO4)3(OH))
Quartzite
Quartzite (primarily SiO2)
Schist
Mica Schist
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Jadeite Jade
NaAlSi2O6 (Sodium Aluminum Silicate)
Quartzite Pebble
Metamorphic Quartzite (SiO2)
Amethyst (Purple), Sulfur (Yellow), and Blue Apatite
SiO2 (Quartz), S (Native Sulfur), Ca5(PO4)3(F,Cl,OH) (Apatite Group)
Milky Quartz
Silicon Dioxide (SiO2)
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Quartzite Cobble with Quartz Vein
Metamorphic Quartzite (SiO2)
Peacock Ore (Bornite or Iridescent Chalcopyrite)
Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2) with tarnish
Mica
Phlogopite or Biotite group (KMg3(AlSi3O10)(F,OH)2 / K(Mg,Fe)3AlSi3O10(OH)2)
Amber and Citrine Quartz
Succinite (Amber) and Silicon Dioxide (SiO2 / Citrine)
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
Muscovite
Muscovite (KAl2(AlSi3O10)(OH)2)
Banded Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
Labradorite
Labradorite (Plagioclase Feldspar Series - (Ca, Na)(Al, Si)4O8)
Quartzite
Metamorphic Sandstone (SiO2)
Orthoclase Feldspar (Twinning Specimen)
Orthoclase (KAlSi3O8)
Jade (Jadeite or Nephrite)
Jadeite (NaAlSi2O6) or Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
Almandine Garnet
Fe3Al2(SiO4)3
Aventurine (Green Quartz)
Quartz with Fuchsite inclusions (SiO2 with K(Al,Cr)2(AlSi3O10)(OH)2)
Cream Marble (Speckled)
Metamorphosed Limestone (mainly CaCO3)
Peacock Ore
Bornite (Cu5FeS4)
Native Gold (in Jewelry)
Gold (Au)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Orthoclase Feldspar
Orthoclase (KAlSi₃O₈)
Milky Quartz
Silicon Dioxide (SiO2)