Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
mineral
Category
Mineral, Jewelry
Browse mineral, jewelry specimens identified by the Rock Identifier community.
Peridot
Olivine (Mg,Fe)2SiO4
Mineral
Yellow Beryl (Heliodor)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Gold
Native Gold (Au)
mineral
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
mineral
Prehnite
Ca2Al(AlSi3O10)(OH)2 (Calcium Aluminum Silicate hydroxide)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Pink Opal
Hydrated Silica (SiO2·nH2O)
mineral
Druzy Agate (specifically Black Druzy Agate)
Silicon Dioxide (SiO2)
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Phyllosilicate)
mineral
White Agate (resembling Bone Chalcedony)
Cryptocrystalline Quartz (SiO2)
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Yellow Jasper
Silicon dioxide (SiO2)
sedimentary
Rose Quartz
Rose Quartz (SiO2 - Silicon Dioxide with trace amounts of titanium, iron, or manganese)
mineral
Moss Agate
Chalcedony (Silicon Dioxide / SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon dioxide (SiO2)
mineral
Cloudy Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon dioxide (SiO2)
mineral
Amber
Succinite (fossilized tree resin)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Carnelian
SiO2 (Microcrystalline Quartz / Chalcedony)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Tiger's Eye
Silica (Quartz) pseudomorph after Crocidolite (SiO2)
metamorphic
Greenschist (Greenstone)
Greenschist (Metamorphic rock containing chlorite, actinolite, and epidote)
metamorphic
Healer's Gold (Pyrite and Magnetite in Schist)
Magnetite (Fe3O4) and Pyrite (FeS2) in Mica Schist
metamorphic
Fossil Sand Dollar (Echinoidea)
Phylum Echinodermata, Class Echinoidea (likely Dendraster or Scutella)
sedimentary
Phantom Quartz with Chlorite and Hematite inclusions
Silicon Dioxide (SiO2) with inclusions of Chlorite group minerals and Hematite (Fe2O3)
mineral
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Green Aventurine (Tumbled Quartzite)
Silicon Dioxide (SiO2) with inclusions of Fuchsite
metamorphic
Green Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
mineral
Septarian Nodule
Septarian Concretion (CaCO3 with Siderite/Limonite streaks)
sedimentary
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite mica (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Mixed collection of minerals and rocks (Jasper, Carnelian, Granite, and Quartz)
Silicon Dioxide (SiO2) with varying impurities for silicates and igneous aggregates
igneous, sedimentary, and metamorphic
Larimar
Pectolite, NaCa2Si3O8(OH)
mineral
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
mineral