Metamorphic Rock (Composed Of Multiple Minerals)

Specular Hematite (Iron Ore)

Iron(III) oxide (Fe2O3)

Shungite

Non-crystalline carbon (allotrope of carbon)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Nephrite Jade

Ca2(Mg, Fe)5Si8O22(OH)2

Tiger's Eye (Brown/Dark variety)

Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)

White Calcite

Calcium Carbonate (CaCO3)

Fuchsite (Green Muscovite)

K(Al,Cr)2(AlSi3O10)(OH)2

Grey Agate

Silicon Dioxide (SiO2) - Variety of Chalcedony

Mica Schist

Mica Schist (primarily Muscovite and Biotite composition)

Calcite

Calcite (Mineral; CaCO₃)

Pyrite in Quartz

Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)

Milky Quartz (Common Quartz)

Quartz (Silicon Dioxide, SiO2)

Feldspar (Orthoclase)

Potassium Feldspar (KAlSi3O8)

Biotite Mica

K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2

Zebra Jasper

Silicon Dioxide (SiO2)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Pegmatite

Granitic Pegmatite

Dragon Blood Jasper (Epidote with Piedmontite or Quartz)

Epidote-rich Quartzite / SiO2 with (Ca2(Al2,Fe)(Si2O7)(SiO4)O(OH))

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Fuchsite in Quartz

Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2) in Quartz (SiO2)

Granite

Granite (a common term for a felsic intrusive igneous rock)

Granite

Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)

Green Aventurine

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

Amygdaloidal Basalt

Amygdaloidal Basalt

Indigo Gabbro

Gabbro (MaFIC intrusive rock)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Limestone with Quartz or Calcite Veining

Calcium Carbonate (CaCO3) matrix with SiO2 or CaCO3 inclusions

Druzzy Quartz on Matrix

Silicon Dioxide (SiO2)

Diorite (Salt and Pepper Rock)

Diorite

Snowflake Obsidian (or similar porphyritic volcanic rock)

Obsidian with Spherulites (if glassy), or Porphyritic Rhyolite/Andesite (if crystalline groundmass)

Vesicular Basalt

Aphanitic Mafic Volcanic Rock

Serpentine

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Milky Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Hypersthene

Hypersthene (Magnesium Iron Silicate - (Mg,Fe)SiO3)

Diorite

Diorite (intermediate intrusive igneous rock)

Peach Moonstone Sphere

Potassium Aluminum Silicate (KAlSi3O8)

Garnet

Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3

Moonstone (Feldspar)

Orthoclase feldspar, (K,Na)AlSi3O8

Milky Quartz

Silicon Dioxide (SiO2)