Banded Agate
Cryptocrystalline Silica (SiO2)
Category
Browse sedimentary or metamorphic specimens identified by the Rock Identifier community.
Banded Agate
Cryptocrystalline Silica (SiO2)
Corundum (Ruby Variety)
Corundum (Al2O3)
Hypersthene
Hypersthene (Enstatite variety), (Mg,Fe)SiO3
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Dyed Agate
Silicon Dioxide (SiO2) - variety Chalcedony
Peach Moonstone (Feldspar variety)
Orthoclase Feldspar (KAlSi3O8) with inclusions
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
Yellow Aventurine
Quartz containing Muscovite or Mica inclusions (SiO2)
Schorl (Black Tourmaline)
Sodium Iron Aluminum Borosilicate Hydroxide - NaFe2+3Al6Si6O18(BO3)3(OH)3OH
Labradorite
Labradorite (Plagioclase Feldspar Series - (Ca, Na)(Al, Si)4O8)
Sunstone
Plagioclase feldspar (with Copper or Hematite inclusions)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Dumortierite Quartz (Blue Quartz)
Al7(BO3)(SiO4)3O3 / Quarz with Dumortierite inclusions
Amazonite
K(AlSi3O8) - Microcline variant
Clear Quartz
Silicon Dioxide (SiO2)
Jadeite
Jadeite (NaAlSi2O6)
New Jade (Serpentine)
Antigorite / Serpentine Group (Mg3Si2O5(OH)4)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)
Smoky Quartz
Silicon Dioxide (SiO2)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)
Chakra Stone Bracelet (mixed gemstones)
Multi-mineral/Gemstone assembly (primarily Quartz variety beads)
Banded Agate
Agate (Silicon Dioxide / SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO₂)
Quartz Crystal
Silicon Dioxide (SiO2)
Garnet (likely Almandine or Pyrope)
Garnet Group (Fe3Al2Si3O12 or Mg3Al2Si3O12)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Prehnite
Prehnite - Ca2Al(AlSi3O10)(OH)2
Cloudy Quartz / Quartz Tumble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald)
Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))
Quartz / Quartz Cluster
Silicon Dioxide (SiO2)
Lapis Lazuli
Lazurite-dominated metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)
General Rock and Mineral Collection (Center: Angelite / Blue Anhydrite)
Anhydrite (Calcium Sulfate, CaSO4)
Serpentinite
Serpentinite (composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite)
Serpentinite
Serpentinite (a rock composed predominantly of serpentine group minerals)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)