Soapstone
Steatite (primarily composed of Talc, Mg₃Si₄O₁₀(OH)₂)
Category
Browse mineral (metamorphic pseudomorph) specimens identified by the Rock Identifier community.
Soapstone
Steatite (primarily composed of Talc, Mg₃Si₄O₁₀(OH)₂)
Serpentinite
Serpentinite (containing minerals of the Serpentine subgroup: Antigorite, Lizardite, and Chrysotile; formula (Mg,Fe)3Si2O5(OH)4)
Mixed Tumbled Gemstones and River Rocks
Mixed Decorative Stones (predominantly Silicon Dioxide - SiO2 variants)
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Labradorite (tumbled)
Labradorite (a plagioclase feldspar mineral between anorthite and albite; chemical formula: (Ca,Na)(Si,Al)4O8)
Rose Quartz
Rose Quartz (SiO₂)
Green Aventurine
Aventurine (a variety of Quartz, SiO2)
Agate
Agate (a cryptocrystalline variety of Quartz, SiO₂)
Aquamarine
Beryl (Be3Al2Si6O18), specifically the blue-green variety
River Stone (Quartzite/Siltstone mixture)
Silicon Dioxide (SiO2) based metamorphosed sandstone
Lapis Lazuli
Complex mixture of minerals, primarily Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
Slate with Red Sandstone Landscaping Rock
Foliated Pelitic Metamorphic Rock (Slate) and Ferruginous Sandstone
Included Quartz Beads (likely Phantom Quartz or Garden Quartz)
Quartz (SiO2) with various mineral inclusions
Quartz (Druzy) in host rock
SiO₂ (Silicon Dioxide) as Quartz, with unspecified host rock components (likely silicates and iron oxides)
Quartz (likely Yellow/Orange variety, possibly Citrine or Chalcedony with iron staining)
Quartz (SiO₂)
Black Tourmaline
Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)
Quartz (milky quartz variety)
Quartz (SiO₂)
Rose Quartz
Quartz (SiO2) with trace elements of titanium, iron, or manganese
Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz (various varieties)
SiO₂ (Silicon Dioxide)
Quartz (likely Clear Quartz or Rock Crystal)
Quartz (SiO2)
Serpentinite
Serpentinite (composed primarily of serpentine-group minerals like antigorite, chrysotile, and lizardite; chemical formula varies but generally Mg3Si2O5(OH)4)
River Stone / Pebble
Clastic Sediment (composed largely of Quartz, Feldspar, and various rock fragments)
Quartz
Silicon Dioxide (SiO₂)
Aquamarine
Beryl (Be3Al2Si6O18)
Quartz Crystal
Quartz (SiO₂)
Smoky Quartz
SiO2 (Silicon Dioxide)
Smoky Quartz
SiO2 (Silicon Dioxide)
Quartzite
Quartzite
Amethyst
SiO2 (Silicon Dioxide)
Serpentine
Serpentinite (group of minerals: (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
Amethyst
Amethyst is a variety of Quartz (SiO₂)
Gossan (Iron Hat) with Quartz and Chlorite
Limonite/Goethite-rich Gossan (FeO(OH)·nH2O) with inclusions of Quartz and Chlorite
Green Aventurine
Quartz (SiO2) with Fuchsite inclusions
Hematite
Hematite (Fe2O3)
Quartz (likely milky/gray variety)
Quartz (SiO₂)
Serpentine, likely a variety of Chrysoprase (green chalcedony) or a similar translucent green mineral.
Serpentine Group Minerals (e.g., Antigorite, Lizardite) or Chalcedony (SiO2) with nickel impurities for Chrysoprase green.
Granite
Granite (a felsic intrusive igneous rock)
Serpentine
Serpentinite (rock), Serpentine group minerals (e.g., Antigorite, Lizardite, Chrysotile)
River Pebble (likely Quartzite or Chert)
Silicon Dioxide (SiO2) crystal conglomerate
Green Aventurine
Aventurine (a variety of Quartz, SiO2)
Amethyst
Quartz variety; chemical formula: SiO₂ (silicon dioxide) with Fe³⁺ impurities