Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Category
Browse mineral (found in igneous and metamorphic rocks) specimens identified by the Rock Identifier community.
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Sodalite
Na8(Al6Si6O24)Cl2
Epidote
Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Labradorite (Polished Sphere)
Labradorite ((Ca, Na)(Al, Si)4O8)
Chalcopyrite
Chalcopyrite (CuFeS2)
Copper Ore (likely Chalcopyrite in Matrix)
Chalcopyrite (CuFeS2)
Citrine
SiO2 (Silicon Dioxide)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Amethyst
SiO2 (Silicon Dioxide with Iron impurities)
Pyrite
Iron Sulfide (FeS2)
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH)
Pyrope Garnet
Magnesium aluminum silicate (Mg3Al2Si3O12)
Garnet
Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3
Rough Corundum (Sapphire/Ruby mixture)
Corundum (Aluminum Oxide, Al2O3)
Mixed Gemstone Beaded Jewelry
Various minerals (e.g., Quartz varieties like Rose Quartz, Amethyst; Peridot; Garnet; etc.)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Pink quartz crystal, possibly rose quartz
Quartz (silicon dioxide, SiO₂), likely pink quartz/rose quartz
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Sodalite
Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Citrine Quartz
Silicon Dioxide (SiO₂) with iron impurities
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide)
Pink Garnet (likely Almandine or Rhodolite)
Garnet Group (Fe3Al2(SiO4)3 to Mg3Al2(SiO4)3)
Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
SiO2 (Silicon Dioxide)
Hematite
Iron(III) oxide (Fe2O3)
Quartz (Smoky/Milky Variety)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Amethyst Beads
Quartz (Silicon Dioxide, SiO2 with iron impurities)
Quartz Crystal
Silicon Dioxide (SiO2)
Ruby (Corundum)
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
White Quartz
Silicon Dioxide (SiO2)
Rhodonite, Gray Moonstone, and White Feldspar Mix
Multiple: MnSiO3 (Rhodonite), (K,Na)AlSi3O8 (Feldspar/Moonstone)
Magnetite (Lodestone)
Iron(II,III) oxide (Fe3O4)
Sunstone with Black Tourmaline (Arfvedsonite)
Feldspar (Na,Ca)(Al,Si)4O8 with Schorl Na(Fe3+)3Al6(Si6O18)(BO3)3(OH)3(OH)
Citrine
Silicon Dioxide (SiO2) with iron impurities
Almandine Garnet
Almandine - Fe3Al2(SiO4)3