Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Category
Synthetic (Ceramic)
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Quartzite
Metamorphosed Quartz Sandstone
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (White Flint)
Silicon Dioxide (SiO2)
sedimentary
Feldspar (Orthoclase/Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
K-Feldspar (Potassium Feldspar)
Potassium Feldspar (Microcline / Orthoclase, KAlSi3O8)
mineral
Quartz vein in weathered host rock
Milky quartz (SiO₂), likely in a granitic or metamorphic matrix
mineral
Kfeldspar (Potassium Feldspar)
KAlSi3O8
mineral
Granic Pegmatite (Quartz and Feldspar)
Crystalline Quartz (SiO2) and Plagioclase Feldspar (NaAlSi3O8 – CaAl2Si2O8)
igneous
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartzite
Quartzite (mostly SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Cordierite in Matrix (Iolite)
Magnesium iron aluminium cyclosilicate (Mg,Fe)2Al4Si5O18
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Labradorite
Labradorite (Ca,Na)(Al,Si)4O8
mineral
Quartz (specifically Citrine or Yellow Quartzite pebble)
Silicon Dioxide (SiO2)
mineral
Kaolinite (Kaolin)
Kaolinite (Al2Si2O5(OH)4)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Milky Quartz
Silicon dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Sandstone
Arenite (primarily SiO2)
sedimentary
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral