Sedimentary And Metamorphic

Quartzite (Iron-stained)

Quartzite (primarily SiO2)

White Marble

Recrystallized Calcite (CaCO3)

Quartzite

Quartzite (primarily SiO2)

Green Aventurine (Green Quartzite)

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

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (primarily SiO2)

Black Marble

Recrystallized Limestone (CaCO3)

Greenschist

Greenschist (composed primarily of Chlorite, Actinolite, and Epidote)

Quartzite with Feldspar

Quartzite (mainly SiO2) with inclusions of Potassium Feldspar (KAlSi3O8)

Quartzite

Quartzite (SiO2)

Nuummite

Orthorhombic amphibole (Gedrite and Anthophyllite mixture) - (Mg,Fe)7Si8O22(OH)2

Quartz / Quartzite Pebble

Silicon Dioxide (SiO2)

Nephrite Jade

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

Quartzite

Quartzite (SiO2)

Garnet-Mica Schist

Schist (variety with Almandine Garnet, Fe3Al2(SiO4)3)

Quartzite

Quartzite (SiO2)

Yellow Quartzite (Tumbled)

Quartzite (SiO2)

Stichtite in Serpentine (Atlantisite)

Mg6Cr2CO3(OH)16·4H2O (Stichtite) within Mg3Si2O5(OH)4 (Serpentine)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Quartzite

Quartzite (primarily SiO2)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Red Quartzite / Jasper-rich Pebble

Quartzite (primarily SiO2 with hematite inclusions)

Serpentinite

Serpentinite (composed primarily of mineral group (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)

Soapstone (Steatite) carving

Steatite (primarily Talc, Mg3Si4O10(OH)2)

Tiger's Eye

Tiger's eye (Pseudomorph of Quartz after Crocidolite), SiO2

Yellow Quartzite (River Cobble)

Quartzite (mainly SiO2)

Fuchsite with Ruby

Cr-rich Muscovite with Corundum (K(Al,Cr)2(AlSi3O10)(OH)2)

Schist

Mica Schist (primarily Muscovite [KAl2(AlSi3O10)(OH)2] or Biotite)

Nephrite Jade

Calcium Magnesium Iron Silicate Hydroxide - Ca2(Mg,Fe)5Si8O22(OH)2

Orange Quartzite / River Pebble

Quartzite (primarily SiO2)

Carrara Marble

Metamorphosed Limestone (principally Calcium Carbonate, CaCO3)

Lapis Lazuli

Lapis Lazuli (Rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2, Calcite, and Pyrite)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)

Unakite

Unakite (Epidotized Granite)

Dragon Blood Jasper

Epidote with Pietersite or Red Jasper (Ca2Al2Fe3+[Si2O7][SiO4]O(OH))

Fuchsite Quartzite (Green Quartzite)

Fuchsite-bearing Quartzite (K(Al,Cr)2(AlSi3O10)(OH)2 + SiO2)

Quartzite Pebble

Quartzite (primarily SiO2)

Quartzite Cobble / Quartzite Pebble

Quartzite (SiO2)

Anthracite Coal

Anthracite

Green Jade (specifically Nephrite)

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

Boxwork Quartz / Septarian Jasper

Boxwork (SiO2 with iron oxide inclusions)

Quartzite

Metamorphosed Quartz Sandstone (SiO2)