Mineral (Silicate Variety)

Almandine Garnet

Iron aluminum silicate (Fe3Al2(SiO4)3)

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Nephrite Jade

Nephrite

Slag (Industrial Glass)

Artificial Vitreous Silicate

Larimar

Pectolite (Sodium Calcium Silicate Hydroxide) - (NaCa2(Si3O8)(OH))

Sandstone

Arenite (SiO2 predominantly)

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite/Iron Oxide inclusions

Red Garnet

Garnet Group (e.g., Pyrope, Almandine, Spessartine, Grossular, Andradite, Uvarovite)

Green Jasper with Quartz veins

Jasper (Silicon Dioxide, SiO2)

Zebra Jasper (Zebra Stone)

Tumbled Silicon Dioxide (SiO2) with impurities

Aquamarine (Pendant) and Jasper (Beads)

Beryllium aluminum silicate (Be3Al2Si6O18) with Chalcedony (SiO2)

Peridot (Olivine)

Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)

Yellow Topaz (Imperial or Precious Topaz)

Al2SiO4(F,OH)2 (Aluminum Silicate Fluoride Hydroxide)

Garnet Beads

Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)

Picture Jasper

Silicon Dioxide (SiO2) with iron oxide and mineral impurities

Smoky Quartz on Feldspar (Granite Pegmatite)

Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)

Mixed collection of minerals and rocks (Jasper, Carnelian, Granite, and Quartz)

Silicon Dioxide (SiO2) with varying impurities for silicates and igneous aggregates

Sandstone (Ferruginous)

Arenite (complex silicate composition with iron oxides)

Jasper (specifically Fancy Jasper or Bloodstone variety)

Silicon Dioxide (SiO2) with impurities (Iron oxides/silicates)

River Jasper (Green Jasper)

Silicon Dioxide (SiO2) with impurities

Garnet (likely Pyrope or Almandine)

Garnet Group (complex nesosilicate minerals, e.g., Pyrope Mg3Al2(SiO4)3, Almandine Fe3Al2(SiO4)3, Spessartine Mn3Al2(SiO4)3, Grossular Ca3Al2(SiO4)3, Andradite Ca3Fe2(SiO4)3, Uvarovite Ca3Cr2(SiO4)3). The vivid red color in the image strongly suggests Pyrope or Almandine.

Jasper

Silicon Dioxide (SiO2) - Impure Variety of Chert

Picture Jasper

Silicon Dioxide (SiO2) with impurities

Vesuvianite (Idocrase)

Ca19(Al, Mg, Fe)13(SiO4)10(Si2O7)4(OH, F, O)10

Serpentinite

Serpentinite (complex silicate minerals including Lizardite, Antigorite, and Chrysotile)

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Green Jasper with Agate Banding

Silicon Dioxide (SiO2) with impurities of ferrous silicate or chlorite

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Beryl (Emerald Variety)

Beryllium aluminum silicate (Be3Al2(SiO3)6) with chromium/vanadium traces

Jasper (Red/Yellow)

Silicon Dioxide (SiO2) with impurities

Serpentinite

Serpentinite (complex silicate minerals including Mg3Si2O5(OH)4)

Mixed Tumbled Stones Collection

Mixed Silicates and Carbonates (Quartz, Amorphous Silica, Carbonates)

Green Jasper (with Quartz veining)

Jasper (Silica-rich microcrystalline variety of Quartz), formula: SiO2

Olivine in Basalt matrix

Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)

Basalt

Mafic volcanic rock (various silicate minerals including Pyroxene and Plagioclase)

Black Tourmaline (Schorl)

Sodium Iron Aluminum Borate Silicate (NaFe3Al6(BO3)3Si6O18(OH)4)

Glauconitic Sandstone

Glauconitic Quartz Arenite

Glauconitic Sandstone

Greensand (Glauconite-bearing sandstone)

Garnet (Almandine/Pyrope variety)

Silicate mineral group; typically Fe3Al2(SiO4)3 (Almandine) or Mg3Al2(SiO4)3 (Pyrope)

Jasper

Silicon Dioxide (SiO2) with iron and magnesium inclusions

Tree Agate

Silicon Dioxide (SiO2) with Chlorite inclusions

Red Sandstone

Arenite (Ferruginous Sandstone)