Sedimentary Or Metamorphic

Lapis Lazuli

Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)

Lapis Lazuli (Raw)

Lazurite-rich metamorphic rock; Na3Ca(Al3Si3O12)S

Slate with Pyrite Inclusions

Foliated Metamorphic Rock (with Iron Sulfide FE-S2)

Slate with Quartz Vein

Foliated Metamorphic Rock (Mainly Quartz, Muscovite, Chlorite)

Black Tourmaline

Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions (Quartzite)

Ruby in Fuchsite (often sold as Ruby in Zoisite)

Corundum (Al2O3) in Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)

Dragon Blood Jasper (Epidote with Piedmontite or Quartz)

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

Garnet Rhyolite

Rhyolite (high-silica volcanic rock) with almandine/spessartine garnet

Quartzite

Quartzite (primarily SiO2)

Pink Jade (Dyed Quartzite)

Silicon Dioxide (SiO2) - primarily Quartzite or Quartz

Fuchsite on Quartz

Muscovite (KAl2(AlSi3O10)(OH)2) with Chromium impurities

Iolite (Cordierite)

Cordierite (Magnesium iron aluminum cyclosilicate), Mg2Al4Si5O18

Quartzite

Quartzite (primarily SiO2)

Unakite

Epidotized Granite

Quartzite

Quartzite (primarily SiO2)

Shale

Lutaceous sedimentary rock

Serpentine

Serpentine group, including Antigorite, Lizardite, and Chrysotile (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Schist

Mica Schist (primarily Muscovite and Quartz)

Jasper (with orbicular/unakitoid tendencies)

Silicon Dioxide (SiO2) with iron and epidote inclusions

Almandine Garnet & Tumbled Citrine Quartz

Fe3Al2(SiO4)3 (Garnet) and SiO2 (Quartz)

Red Quartzite River Stone

Quartzite (SiO2)

Soapstone

Steatite (composed primarily of Talc, Mg3Si4O10(OH)2)

Schist

Mica Schist

Yellow Quartzite

Quartzite (primarily Silicon Dioxide - SiO2)

Nuummite

Nuummite (Orthoamphibole rock composed of Anthophyllite and Gedrite, (Mg,Fe)7Si8O22(OH)2)

Blue Quartzite (Aventurine)

Quartzite (primarily SiO2) with inclusions of Dumortierite or Magnesio-riebeckite

Schist (Garnet-Mica Schist)

Garnetiferous Mica Schist (primarily Muscovite/Biotite and Almandine Garnet)

Mica Schist

Mica Schist (predominantly Muscovite or Biotite sheet silicates)

Quartzite

Quartzite (primarily SiO2)

Unakite (Tumbled)

Unakite (altered granite)

White Marble (Tumbled)

Recrystallized Calcite (CaCO3)

Shale

Shale (Consolidated fine-grained clay/silt)

Jade

Jadeite or Nephrite (both are commonly referred to as 'jade'). Jadeite: NaAlSi2O6; Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2.

Black Star Diopside

Diopside (CaMgSi2O6) with asterism

Jade (Nephrite or Jadeite)

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (Na(Al,Fe3+)Si2O6)

Quartzite

Quartzite (SiO2)

Yellow Quartzite

Quartzite (SiO2 with iron oxide inclusions)

Red Quartzite

Quartzite (SiO2 with iron oxide impurities)

Quartzite

Quartzite (Primary mineral: SiO2)

Quartzite

Quartzite (SiO2)

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)