Amethyst
Amethyst (Silicon Dioxide - SiO2 with Iron impurities)
mineral
Category
Mineral (Man Made Aura Treatment)
Browse mineral (man made aura treatment) specimens identified by the Rock Identifier community.
Pink Granite
Phaneritic Felsic Igneous Rock (composed of orthoclase, quartz, and plagioclase)
igneous
Chert (Chalcedony/Agate variety)
Silicon Dioxide (SiO2)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Diorite
Intermediate plutonic igneous rock
igneous
Amethyst
SiO2 (Silicon Dioxide) - a variety of Quartz
Mineral
Granodiorite
Granodiorite (phaneritic intrusive igneous rock)
igneous
Granite
Granite (Phaneritic Quartz-Feldspar intrusive rock)
Igneous
Granite
Plutonic Igneous Rock (composed typically of SiO2, Al2O3, K2O, Na2O, CaO)
igneous
Nephrite Jade
Nephrite
Mineral/Rock
Sandstone (likely Fossilized Wood or Concrete Simulacrum)
Arenite / Silicified Wood / Anthropogenic Concrete
sedimentary
Granite
Phaneritic Felsic Igneous Rock
igneous
Quartz (Microcrystalline/Chert)
Silicon Dioxide (SiO2)
mineral
Desert Rose (Baryte or Gypsum Rose)
Baryte (BaSO4) or Gypsum (CaSO4·2H2O)
mineral
Lapis Lazuli
Lapis Lazuli (a rock, not a single mineral; primary mineral is Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2
Metamorphic rock
Banded Calcite or Travertine
Calcium Carbonate (CaCO3)
Sedimentary
Malachite
Malachite (Copper Carbonate Hydroxide) - Cu2CO3(OH)2
Mineral
Pearl
Aragonite (CaCO3) with Conchiolin
mineral
Chevron Amethyst
Quartz (SiO2) with patterned Amethyst and White Quartz/Milky Quartz
mineral
Pearl
Pearl (Calcium Carbonate with organic conchiolin, CaCO3)
mineral
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8) with Albite inclusions
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Silver (Jewelry form)
Native Silver (Ag)
mineral
Pearl and Garnet Glass
Calcium Carbonate (CaCO3) for pearl; Silicon Dioxide (SiO2) for glass
mineral and glass
Citrine
Quartz (SiO₂)
mineral
Moonstone (specifically Rainbow Moonstone / White Labradorite)
White Labradorite (Feldspar Group: (Na,Ca)(Al,Si)4O8)
mineral
Sandstone
Arenite (variable SiO2 composition)
sedimentary
Granodiorite
Granodiorite (Quartz + Plagioclase + Alkali Feldspar + Biotite/Hornblende)
igneous
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Mineral
Diamond (Cluster Ring)
Carbon (C)
mineral
Onyx (Black) and Mother of Pearl Inlay
Silicon Dioxide (SiO2) for Onyx; Aragonite (CaCO3) for Mother of Pearl
mineral
Sandstone
Arenite (composed primarily of Quartz: SiO2)
sedimentary
Engineered Quartz Stone
Agglomerated Quartz (SiO2 + Polymer Resin)
mineral-based composite
Snowflake Obsidian
Volcanic glass with Cristobalite inclusions (70–75% SiO2)
igneous
Granite
Phaneritic Igneous Rock (composed mostly of Quartz, Feldspar, and Mica)
igneous
Blue Slag Glass
Amorphous Silica (Industrial byproduct)
Antropogenic (Man-made glass byproduct)
Ferruginous Sandstone (Ironstone)
Clastic Sedimentary Rock (composed of SiO2 with Fe2O3/FeO(OH) cement)
sedimentary
Goldstone (Red)
Aventurine Glass
Man-made material (Simulated Mineral)
Blue Goldstone
Aventurine Glass
Man-made mineral simulant (Glass)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Desert Rose (also known as Sand Rose)
Gypsum (CaSO4·2H2O) or Barite (BaSO4) with sand inclusions
mineral