Igneous, Sedimentary, Metamorphic, Mineral, Gemstone, Fossil, Or Meteorite

Epidote with Magnetite/Hematite inclusions

Epidote (Ca2(Al2,Fe3+)(SiO4)3(OH)) with Iron Oxides

Natural gemstone and mineral collection

Mixed specimens, including turquoise, tiger’s eye, amethyst, fluorite, pyrite, garnet, rose quartz, lapis lazuli, obsidian, rhodonite, red corundum, labradorite, calcite, lepidolite, sodalite, apatite, and others

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Milky or Clear variety)

Silicon Dioxide (SiO2)

Quartz

Silicon dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz (Milky Quartz / Clear Quartz)

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Smoky/Milky)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Quartz (Milky/Clear)

Silicon Dioxide (SiO2)

Quartz (Milky or Smoky Quartz)

Silicon Dioxide (SiO2)

Siltstone or Fine-grained Sandstone pebble

Siltstone (primarily SiO2 with clay minerals)

Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Crystal Quartz)

Silicon Dioxide (SiO2)

Quartz (Milky or Smoky variant)

Silicon Dioxide (SiO2)

Weathered banded metamorphic rock, likely gneiss

Banded gneiss; commonly quartz–feldspar–mica assemblage

Olivine (Peridot)

Magnesium Iron Silicate (Mg, Fe)2SiO4

Quartz

Silicon Dioxide (SiO2)

Quartz (Milky/Crystalline variety)

Silicon Dioxide (SiO2)

Yellow Sapphire or Citrine

Al2O3 (Corundum) or SiO2 (Quartz)

Moonstone

Orthoclase (KAlSi3O8)

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz (Milky/Rose variety)

Silicon Dioxide (SiO2)

Tektite (Indochinite)

Tektite (High-silica amorphous glass)

Quartz (Milky or Yellowish)

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Blue Apatite

Apatite - Ca5(PO4)3(F,Cl,OH)

Calcite

Calcium Carbonate (CaCO3)

Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Clear Quartz Crystal

Silicon dioxide (SiO2)

Blue Apatite

Apatite - Ca5(PO4)3(F,Cl,OH)

Clear Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)