Metamorphic Or Igneous With Mineral Inclusion

Granite Cobble (River Stone)

Felsic intrusive igneous rock (composition: Quartz, Feldspar, Mica)

Pink Granite

Granite (Phaneritic igneous rock rich in Alkali Feldspar and Quartz)

Granite

Plutonic Igneous Rock (composed primarily of Quartz, Feldspar, and Mica)

Pink Granite

Granite (Alkali-feldspar granite)

Green Calcite

Calcium Carbonate (CaCO3)

Emerald in Matrix

Beryl (Be3Al2Si6O18) containing Chromium/Vanadium impurities

Rhodonite Tumbled Chips

Manganese silicate (Mn,Fe,Mg,Ca)SiO3

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Lapis Lazuli (Low Grade)

Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2)

Milky Quartz

Silicon Dioxide (SiO2)

Schist (Diamond Drill Core)

Mica Schist

Rhodonite

Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3

Sunstone (Orthoclase Feldspar variant)

Orthoclase (KAlSi3O8) with inclusions

Milky Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

Milky Quartz

Silicon Dioxide (SiO2)

Granite

Granite (Phaneritic intrusive igneous rock)

Milky Quartz

Silicon Dioxide (SiO2)

Basalt

Extrusive mafic igneous rock

Quartz (Raw Rose and Milky varieties)

Silicon Dioxide (SiO2)

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Labradorite

Labradorite (Ca, Na)(Al, Si)4O8

Rose Quartz

SiO2 (Silicon Dioxide with trace inclusions)

Sunstone (Feldspar)

Plagioclase Feldspar ((Ca, Na)(Al, Si)4O8)

Magnetite / Hematite mix (Iron Ore)

Fe3O4 (Magnetite) / Fe2O3 (Hematite)

White Sapphire

Corundum (Al2O3)

Clear Quartz (beads in a bracelet)

Quartz (SiO2)

Sagenitic Agate (with Goethite/Rutile inclusions)

Silicon Dioxide (SiO2) with hydrous ferric oxide inclusions

Green Aventurine

Aventurine Quartz (SiO2 with inclusions of Fuchsite)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Ferruginous Quartz

Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)

Slate with Quartz

Low-grade Metamorphic Slate with SiO2 inclusions

Biotite Schist with Garnet

Garnet-Biotite Schist

Schist

Mica Schist

Milky Quartz Pebble

Quartz (Silicon Dioxide - SiO2)

Snowflake Obsidian

Volcanic glass containing Cristobalite (SiO2)

Quartzite with Garnet

Garnetiferous Quartzite (SiO2 + X3Y2(SiO4)3)

Ruby in Zoisite

Anyolite (combination of Ca2Al3(SiO4)3(OH) and Al2O3:Cr)

Blue Quartz (Aventurine)

Silicon Dioxide (SiO2) with Crocidolite or Magnesio-riebeckite inclusions

Gold-bearing Quartz

Lode Gold in Silicon Dioxide (SiO2)

Coarse-grained Granite

Granitoid (KAlSi3O8 + SiO2 + NaAlSi3O8)