Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Category
Mineral (Specifically A Mineraloid)
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Milky Quartz
Silicon Dioxide (SiO2)
mineral
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Crystalline Quartz (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pink Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Unable to identify - Image contains non-geological items
N/A
Note: No specimen visible
N/A
Amethyst
Silicon dioxide (SiO2)
mineral
Granite and Mixed Landscape Gravel
Plutonic Igneous Rock / Weathered Alluvium
igneous
Sandstone (Weathered Fragment)
Clastic Sedimentary Rock
sedimentary
Porphyritic Basalt or Diabase
Mafic igneous rock with porphyritic texture
igneous
Sandstone and Mixed Rock Assemblage
Clastic Sedimentary Rock / Quartz Arenite
sedimentary
Granite
Intrusive Igneous Rock
igneous
Quartz (Orange/Pink variety)
Silicon Dioxide (SiO2)
mineral
Limonite
FeO(OH)·nH2O
mineral
Rhyolite
Rhyolite, felsic extrusive igneous rock
igneous
Obsidian
Volcanic Glass (SiO2 with impurities)
igneous
Ruby and Diamond Heart Pendant
Corundum (Al2O3) and Diamond (C)
mineral
Petrified Wood
Silicified wood (Quartz replacement, SiO2)
fossil
Tumbled Quartz
Silicon Dioxide (SiO2)
mineral
Ruby
Corundum (Al2O3 with Chromium trace)
gemstone
Sandstone (Tumbled / Rounded)
Sedimentary Rock (Quartz arenite)
sedimentary
Aquamarine
Beryl (Be3Al2(SiO3)6)
gemstone
Agate Geode
Silicon Dioxide (Chalcedony/Quartz), SiO2
sedimentary
Chalcedony (Agate nodule fragment)
Silicon Dioxide (SiO2)
mineral
Petrified Wood
Silicified Wood (SiO2)
fossil
Clear Quartz (Faceted)
SiO2 - Silicon Dioxide
gemstone
Granite with Biotite Inclusions
Intrusive Igneous Rock (Quartz, Feldspar, Biotite)
igneous
Gneiss
Metamorphic Foliated Gneiss
metamorphic
Rock Fragment with Calcite/Quartz Vein
Polymictic Rock Fragment (SiO2 / CaCO3)
igneous
Granite or Pegmatite in host rock
Granitoid / Felsic Intrusive Rock
Igneous