Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Antropogenic (Man Made Glass Byproduct)
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Jasper Pendant
Chalcedony (Quartz) - SiO2
Mineral/Sedimentary
Weathered mafic rock (probable basalt or gabbro fragment)
Basalt–gabbroic rock; chiefly plagioclase feldspar and pyroxene, possibly olivine
igneous
Milky Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral
Quartz (Agate/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Pink / Rose Quartz variant)
Silicon Dioxide (SiO2)
mineral
Chert
Silicon Dioxide (Microcrystalline Quartz)
sedimentary
Pink Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
River Pebble (Greywacke or Basaltic)
Massive Greywacke or Basaltic Andesite
sedimentary or igneous
Tumbled Clear Quartz
Silicon Dioxide (SiO2)
mineral
Moss Agate with Jasper
Chalcedony (SiO2 with inclusions)
mineral
Pink Quartz Grains
Silicon Dioxide (SiO2)
mineral
Rose Quartz
SiO2 (Silicon Dioxide)
mineral
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Peridot (Olivine)
Olivine ((Mg, Fe)2SiO4)
mineral
Halite
Halite (Sodium Chloride, NaCl)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Quartzite Cobble
Quartzite (SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
Mineral
Quartzite
Quartzite (predominantly SiO2)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz pebble
Silicon Dioxide (SiO2)
mineral
Feldspar (Orthoclase)
Potassium Feldspar (KAlSi3O8)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Citrine
Silicon Dioxide (SiO2) with iron impurities
gemstone
Chert
Chert (SiO2, Silicon Dioxide)
sedimentary
Olivine (Peridot)
Olivine Group (Mg,Fe)2SiO4
mineral
Amethyst (Chevron or Banded Amethyst)
Silicon Dioxide (SiO2) with trace Iron (Fe)
mineral
Black Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral