Blue Topaz
Aluminum Silicate Fluoride Hydroxide (Al2SiO4(F,OH)2)
Category
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Blue Topaz
Aluminum Silicate Fluoride Hydroxide (Al2SiO4(F,OH)2)
Quartz (Milky or Clear variety)
Silicon Dioxide (SiO2)
Pegmatite with Schorl (Black Tourmaline) and Mica
Pegmatite (complex association of NaAlSi3O8, NaFe3Al6(BO3)3Si6O18(OH)4, and KAl2(AlSi3O10)(OH,F)2)
Amethyst Geode
Amethyst (SiO2 with iron impurities)
Serpentine (variety: Serpentine Rock)
Antigorite, Lizardite, or Chrysotile; formula generally (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Red Jasper (Mookaite style)
Silicon Dioxide (SiO2) with iron oxide impurities
Rose Quartz Beads
Silicon Dioxide (SiO2) - Quartz Variety
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
Milky quartz
Quartz (silicon dioxide, SiO₂)
Clear Quartz
Silicon Dioxide (SiO2)
Carnelian
Silicon dioxide (SiO2) with Iron Oxide impurities (Fe2O3)
Amethyst quartz crystal
Quartz, silicon dioxide (SiO₂), purple variety amethyst
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Jadeite
NaAlSi2O6 (Sodium Aluminum Silicate)
Mahogany Obsidian
Obsidian (Volcanic Glass) with Hematite/Magnetite inclusions
Carnelian (Chalcedony variety)
SiO2 (Silicon Dioxide)
Pink Mimbres Agate / Plume Agate
Silicon dioxide (SiO2) with mineral inclusions
Carnelian
Quartz (chalcedony variety), SiO2
Botryoidal Chalcedony
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (possibly Citrine or Smoky Quartz variety)
Silicon Dioxide (SiO2)
Amethyst Geode
Quartz (SiO2, variety Amethyst)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Green Quartzite
Meta-quartzite with Fuchsite inclusions (K(Al,Cr)2(AlSi3O10)(OH)2 + SiO2)
Jasper
Silicon dioxide (SiO2)
Chalcedony
Silicon Dioxide (SiO2)
Peach Moonstone (Orange/Peach Feldspar)
Potassium aluminum silicate (KAlSi3O8)
Green Chalcedony (Green Agate)
Silicon Dioxide (SiO2)
Chert (specifically Yellow Jasper variety)
Silicon Dioxide (SiO2)
Amethyst Geode/Cluster
Quartz (SiO2) - variety Amethyst
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Raw Chunk)
Silicon Dioxide (SiO2)
Yellow Agate
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Quartz
Silicon Dioxide (SiO2)
Chalcedony (River Stone)
Silicon Dioxide (SiO2)
Quartz (White/Milky)
Silicon Dioxide (SiO2)
Epidote
Epidote (formula: Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Milky Quartz
Silicon Dioxide (SiO2)