Metamorphic And Sedimentary

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Banded Agate

Cryptocrystalline Silica (SiO2)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Sunstone

Plagioclase feldspar (with Copper or Hematite inclusions)

Quartz (Smoky/Milky variety)

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Peach Moonstone (Feldspar variety)

Orthoclase Feldspar (KAlSi3O8) with inclusions

Labradorite

Labradorite (Plagioclase Feldspar Series - (Ca, Na)(Al, Si)4O8)

Moonstone

Orthoclase Feldspar ((K,Na)AlSi3O8)

Yellow Aventurine

Quartz containing Muscovite or Mica inclusions (SiO2)

Schorl (Black Tourmaline)

Sodium Iron Aluminum Borosilicate Hydroxide - NaFe2+3Al6Si6O18(BO3)3(OH)3OH

Corundum (Ruby Variety)

Corundum (Al2O3)

Hypersthene

Hypersthene (Enstatite variety), (Mg,Fe)SiO3

Dyed Agate

Silicon Dioxide (SiO2) - variety Chalcedony

Dumortierite Quartz (Blue Quartz)

Al7(BO3)(SiO4)3O3 / Quarz with Dumortierite inclusions

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Amazonite

K(AlSi3O8) - Microcline variant

Smoky Quartz

Silicon Dioxide (SiO2)

New Jade (Serpentine)

Antigorite / Serpentine Group (Mg3Si2O5(OH)4)

Jadeite

Jadeite (NaAlSi2O6)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Chakra Stone Bracelet (mixed gemstones)

Multi-mineral/Gemstone assembly (primarily Quartz variety beads)

Banded Agate

Agate (Silicon Dioxide / SiO2)

Smoky Quartz

Silicon Dioxide (SiO₂)

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Prehnite

Prehnite - Ca2Al(AlSi3O10)(OH)2

Cloudy Quartz / Quartz Tumble

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald)

Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))

Quartz Crystal

Silicon Dioxide (SiO2)

Garnet (likely Almandine or Pyrope)

Garnet Group (Fe3Al2Si3O12 or Mg3Al2Si3O12)

Quartz / Quartz Cluster

Silicon Dioxide (SiO2)

Gastropod Steinkern (Internal Mold Fossil)

Gastropoda (Class); Internal mold or 'Steinkern' composed of Calcium Carbonate (CaCO3) or Sedimentary matrix

Lapis Lazuli

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

General Rock and Mineral Collection (Center: Angelite / Blue Anhydrite)

Anhydrite (Calcium Sulfate, CaSO4)

Serpentinite

Serpentinite (a rock composed predominantly of serpentine group minerals)

Serpentinite

Serpentinite (composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite)

Aventurine (likely Green Aventurine)

Aventurine (a variety of quartz, SiO₂, with common inclusions of fuchsite)