Metamorphic And Sedimentary

Amethyst (Chevron or Banded Amethyst)

Silicon Dioxide (SiO2) with trace Iron (Fe)

Lazulite

Magnesium Aluminum Phosphate Hydroxide (MgAl2(PO4)2(OH)2)

Unakite

Epidotized Granite

Yellow Jade

Jadeite or Nephrite (NaAlSi2O6 or Ca2(Mg,Fe)5Si8O22(OH)2)

Rutilated Prehnite

Prehnite - Ca2Al(AlSi3O10)(OH)2 with Epidote/Tourmaline inclusions

Smoky Quartz

Silicon Dioxide (SiO2)

Potassium Feldspar

Orthoclase (KAlSi3O8)

Green Tourmaline (Verdelite)

Tourmaline Group; often Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4) or Dravite (NaMg3Al6(BO3)3Si6O18(OH)4)

Aquamarine with Sunstone

Aquamarine (Be3Al2Si6O18), Sunstone (Na,Ca)Al(Si,Al)Si2O8

Jade (likely Nephrite Jade based on appearance)

Nephrite (a variety of actinolite, Ca2(Mg,Fe)5Si8O22(OH)2)

Green Aventurine

Quartz (Aventurine variety) - SiO₂ with Fuchsite inclusions

Quartzite

Quartzite (SiO2)

Garnet

Garnet group (X3Y2(SiO4)3)

Garnet-bearing Quartzite

Metamorphic rock containing Almandine Garnet (Fe3Al2(SiO4)3) and Quartz (SiO2)

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Muscovite Mica (in Quartz matrix)

Potassium aluminum silicate hydroxide fluoride (KAl2(AlSi3O10)(F,OH)2)

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Muscovite (Mica)

Muscovite - KAl2(AlSi3O10)(OH)2

Epidote in Matrix (Dragon Stone variant)

Epidote with Quartz/Feldspar (Ca2(Al,Fe)3(SiO4)3(OH))

Quartzite Pebble

Quartzite (SiO2)

Serpentine

Serpentinite (group of hydrous magnesium iron phyllosilicate minerals)

Quartz with Chlorite or Hornblende inclusions

Silicon dioxide (SiO2) with phyllosilicate or amphibole inclusions

Mica Schist

Mica Schist (primarily Muscovite or Biotite within a foliated matrix)

Milky Quartz

Silicon Dioxide (SiO2)

Quartzite

Metamorphosed Sandstone (Mainly SiO2)

Quartzite

Quartzite (primarily SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Slate with Quartz

Low-grade Metamorphic Slate with SiO2 inclusions

Garnet and Quartz

Pyrope or Almandine (Red Garnets) and Quartz (Center Stone)

Quartzite River Rock

Quartzite (SiO2)

Quartzite

Quartzite (SiO2)

Milky Quartz

Crystalline Quartz (SiO2)

Eclogite

Eclogite (Omphacite-Garnet rock)

Epidote (with Quartz and Feldspar)

Epidote (unakalite/unite), Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Soapstone / Steatite

Steatite (primarily Talc, Mg3Si4O10(OH)2)

Schist

Mica Schist (predominantly Muscovite/Biotite)

Quartzite

Quartzite (SiO2)

Mica Schist

Mica Schist (primarily Muscovite and Biotite KAl2(AlSi3O10)(OH)2)

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3Si2O5(OH)4