Quartzite
Quartzite (SiO2)
Category
Browse mineral (man made aura treatment) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (SiO2)
Rose Quartz
Quartz (SiO2) with trace elements of titanium, iron, or manganese
Moss Agate
Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides
Grooved Maun Ball (Maul/Hammerstone-like Concretion)
Calcareous/Ferruginous Concretion in Sandstone Matrix
Quartz (milky variety)
SiO2 (Silicon Dioxide)
Rhodonite
Rhodonite (MnSiO3)
Granite (weathered/river-tumbled)
Granite (Plutonic Igneous Rock)
Diamond
Carbon (C), specifically in an isometric crystal system.
Peridot
Olivine (Mg,Fe)2SiO4
Amethyst
Silicon dioxide (SiO2) containing traces of iron and manganese
Rose Quartz
Rose Quartz (SiO₂)
Quartz (likely a macrocrystalline variety like milky quartz or smoky quartz, given the appearance in the image)
Quartz (SiO₂ - Silicon Dioxide)
Diamond
Diamond (C)
Obsidian (likely Golden Sheen Obsidian or Rainbow Obsidian, given the subtle sheen visible on some beads)
Obsidian (volcanic glass, predominantly SiO2 with various impurities)
Mahogany Obsidian Arrowhead
Volcanic Glass with Hematite/Magnetite inclusions (Amorphous Silicon Dioxide)
Yellow Jasper
Silicon Dioxide (SiO2) with goethite or iron oxide inclusions
Garnet (likely Almandine, Pyrope, or a blend)
Garnet group minerals: X3Y2(SiO4)3, where X and Y represent various metal ions (e.g., Almandine: Fe3Al2(SiO4)3, Pyrope: Mg3Al2(SiO4)3)
Citrine
Quartz (SiO2) - specifically, a variety of macrocrystalline quartz
Smoky Quartz
SiO2 (Silicon Dioxide)
Zebra Jasper
Silicon Dioxide (SiO2) - Macro-crystalline Quartz/Chert with impurities
Prehnite with Epidote inclusions
Prehnite: Ca2Al(AlSi3O10)(OH)2; Epidote: Ca2(Al,Fe)3(SiO4)3(OH)
Gold
Native Gold (Au)
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
Dark Igneous Rock (Likely Basalt or Diabase)
Basalt (extrusive igneous rock) or Diabase (intrusive igneous rock - also known as Dolerite), largely composed of plagioclase feldspar, pyroxene (augite), and sometimes olivine and amphibole. Exact mineralogy would require thin section analysis.
Sodalite (blue beads) and Clear Quartz (clear beads)
Sodalite: Na4Al3Si3O12Cl; Quartz: SiO2
Fluorite
Fluorite (CaF₂)
Rose Quartz
Rose Quartz (SiO₂)
Diamond
Diamond (pure carbon, C)
Jasper (likely a variety of Brecciated Jasper or a patterned variety)
Silicon dioxide (SiO2)
Turquoise
CuAl6(PO4)4(OH)8·4H2O
Red Shale
Lutite (primarily composed of clay minerals and iron oxides like hematite, Fe2O3)
Amethyst
Quartz (SiO2) with trace iron impurities
Rose Quartz
Quartz (SiO2) with trace impurities causing pink color
Diamond (Rough)
Diamond (C)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rough Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese