Man Made Glass

Rose Quartz

Silicon Dioxide (SiO2)

Muscovite Mica (on Quartz Matrix)

Muscovite - KAl2(AlSi3O10)(OH)2

Quartzite River Rock

Quartzite (primarily SiO2)

Rose Quartz

Silicon Dioxide (SiO2)

Quartz (Chert/Chalcedony Variety)

Silicon Dioxide (SiO2)

Amethyst (Agate/Chalcedony variety)

Silicon Dioxide (SiO2) with iron impurities

Cubic Zirconia

Zirconium dioxide (ZrO2)

Clear Quartz Point

Silicon Dioxide (SiO2)

Jasper with Quartz Vein

Silicon Dioxide (SiO2) with impurities

Pyrite

Iron Disulfide (FeS2)

Clear Quartz Crystal

Silicon Dioxide (SiO2)

Quartz Vein Rock

Quartz (Silicon Dioxide, SiO2)

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Yellow Quartzite

Quartzite (SiO2)

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Milky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Quartz (specifically Clear Quartz or Rock Crystal)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Chert (Black Chert/Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Obsidian

Volcanic Glass (SiO2 - Silicon Dioxide with impurities)

Rose Quartz

Silicon Dioxide (SiO2)

Lepidolite

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

Lepidolite

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

Obsidian (worked into an arrowhead profile)

Obsidian (volcanic glass), primarily SiO2 (Silicon Dioxide)

Green Fluorite

Calcium Fluoride (CaF2)

Orange Quartz (Citrine Quartz)

Silicon Dioxide (SiO2)

Orbicular Jasper (Eye Jasper / Kambaba-like pattern)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Red Scoria (Lava Rock)

Scoria (Extrusive Igneous Rock / Mafic composition)

Milky Quartz Pebble (Iron-stained)

Silicon Dioxide (SiO2)

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Tree Agate (or Moss Agate)

Dendritic Agate (Silicon Dioxide - SiO2)

Chert (with Chalky Cortex)

Silicon Dioxide (SiO2)

Quartzite (River Pebble)

Metamorphic Quartz (SiO2)

Cloud Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Quartz (Specifically Clear to Smoky Quartz point)

Silicon Dioxide (SiO2)

Milky Quartz Vein with Iron Staining

Silicon Dioxide (SiO2)

Quartzite

Quartzite (primarily SiO2)

Quartz Cobble (with Iron Staining)

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

White Quartz Pebble

Quartz (Silicon Dioxide - SiO2)