Quartz
Silicon Dioxide (SiO2)
mineral
Category
Igneous And Metamorphic
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Quartz (Iron-stained River Pebble)
Silicon Dioxide (SiO2)
mineral
Titanium Quartz (Aura Quartz)
Silicon Dioxide (SiO2) treated with Titanium
mineral
Quartz Sand Grain / Micro Crystal
Silicon Dioxide (SiO2)
mineral
Feldspar (Plagioclase / Orthoclase)
KAlSi3O8 / CaAl2Si2O8 - NaAlSi3O8
mineral
Quartz pebble
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Fluoroapatite (Ca5(PO4)3F)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Quartz Druzy / Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Carnelian (Polished Beads)
SiO2 (Silicon Dioxide - Microcrystalline Quartz)
gemstone
Serpentine
Serpentine group ((Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al)2O5(OH)4)
metamorphic
Black Tourmaline
Schorl (NaFe2+3Al6(BO3)3Si6O18(OH)4)
mineral
Serpentine (Serpentinite)
Hydrous magnesium iron silicate, (Mg,Fe)3Si2O5(OH)4
metamorphic
Moonstone (Feldspar)
Orthoclase Feldspar KAlSi3O8 / Albite NaAlSi3O8
gemstone
Pyrite
Iron Disulfide (FeS2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Quartz (Clear or Milky)
Silicon Dioxide (SiO2)
mineral
Quartz (partially iron-stained)
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Dragon Blood Jasper
Epidote with Red Piedmontite (silicate)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
mineral
Quartz (specifically Clear or Rose Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Citrine/Milky variety)
Silicon Dioxide (SiO2)
mineral
Quartz Mineral
Silicon Dioxide (SiO2)
mineral