Mineral And Glass

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Green Aventurine

Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)

Quartz Druze on Matrix

Silicon Dioxide (SiO2)

Kfeldspar (Potassium Feldspar)

KAlSi3O8

Sandstone

Arenite (SiO2 with minor iron oxides)

Sandstone

Arenite (SiO2 based)

Sandstone (Quartzose)

Arenite (composed primarily of SiO2)

Sandstone

Arenite (mostly SiO2)

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone

Arenite (SiO2 variety)

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone

Arenite (primarily SiO2)

Sandstone (Quartzose)

Arenite (SiO2)

Sandstone

Arenite (primarily SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Pyrite

Iron Disulfide (FeS2)

Lepidolite

Lepidolite [K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2]

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Geode or Druzy Quartz on Matrix

Silicon Dioxide (SiO2)

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Mica (Lepidolite or Muscovite)

Phyllosilicate mineral (KAl2(AlSi3O10)(OH)2 for Muscovite)

Possible weathered quartz-rich rock or iron-stained mineral fragment

Indeterminate; possibly quartz (SiO₂) with iron-oxide inclusions

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Quartz (Milky or Rose variety)

Silicon Dioxide (SiO2)

Sandstone

Sandstone (clastic sedimentary rock composite)

Sandstone

Sandstone ( преимущественно SiO2 )

Sandstone (with Iron Staining)

Clastic Sedimentary Rock (primarily Quartz with Fe2O3 staining)

Quartz

Silicon Dioxide (SiO2)

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) within metamorphic/igneous matrix

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Aventurine Quartz

Silicon Dioxide (SiO2) with inclusions (typically Fuchsite mica)

Yellow Fluorite

Calcium fluoride (CaF2)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz (Milky/Clear Variety)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz / Common Quartzite

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)