Quartz (Vein Quartz / Milky Quartz)
Silicon Dioxide (SiO2)
Category
Browse mineral with artificial coating specimens identified by the Rock Identifier community.
Quartz (Vein Quartz / Milky Quartz)
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Eudialyte
Na15Ca6(Fe2+,Mn2+)3Zr3(Si,Nb)Si25O73(O,OH,H2O)3(Cl,OH)2
Amethyst
Silicon Dioxide (SiO2)
Gold
Native Gold (Au)
Prehnite
Prehnite - Ca2Al(AlSi3O10)(OH)2
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Quartz Pebble
Silicon Dioxide (SiO2)
Amethyst Quartz fragment
SiO2 (Silicon Dioxide with Iron impurities)
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Milky Quartz
Silicon Dioxide (SiO2)
Sphalerite with Siderite and Pyrite
Zinc Sulfide (ZnS) with Iron Carbonate (FeCO3) and Iron Disulfide (FeS2)
Rhodonite
(Mn,Fe,Mg,Ca)SiO3
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Lake Superior Agate
Silicon Dioxide (SiO2) - Banded Chalcedony
Black Tourmaline (Schorl)
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Pyrite (Fool's Gold) in Matrix
Iron Disulfide (FeS2)
Green Fluorite
Calcium Fluoride (CaF2)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Amazonite
Potassium Aluminum Silicate (K[AlSi3O8])
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Desert Rose
Gypsum (variety Selenite) or Baryte with Sand inclusions, CaSO4·2H2O
Amazonite
Potassium Feldspar (Microcline) - K(AlSi3O8)
Aventurine Quartz
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Green Fluorite
Calcium Fluoride (CaF2)
Oco Geode
Silicon Dioxide (SiO2) with various inclusions
Diamond (or Diamond Simulant)
Carbon (C)
Quartz Pebble
Silicon Dioxide (SiO2)
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
Desert Rose (Gypsum Rose)
Gypsum (CaSO4·2H2O) with Sand Inclusions
Fluorite
Calcium Fluoride (CaF2)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Amethyst
Silicon dioxide (SiO2) with iron impurities
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Gold Placer (Gold Flakes and Nuggets)
Native Gold (Au)
Citrine Quartz
Silicon Dioxide (SiO2)
Turquoise
Hydrous phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O