Metamorphic And Sedimentary

Quartzite

Quartzite (chiefly SiO2)

Quartzite

Quartzite (SiO2)

Lapis Lazuli (polished cabochon)

Lazurite-rich rock (Na8[Al6Si6O24]n(S,Cl,SO4,OH)2)

Orange Quartzite (or Aventurine Quartz)

Quartzite (primarily SiO2 with Hematite or Goethite inclusions)

Quartzite

Quartzite (SiO2)

Shatter Cone

Impactite (Shatter Cone texture)

Quartz (Quartzite or Quartz Pebble)

Silicon Dioxide (SiO2)

Yellow Quartzite (River Pebble)

Quartzite (SiO2)

Petrified Wood

Silicified Wood (SiO2)

Ruby Zoisite

Anyolite (Zoisite with Ruby and Pargasite)

Green Aventurine

Silicon dioxide (SiO2) with Fuchsite inclusions

Quartzite

Quartzite (primarily SiO2)

Serpentine

Serpentinite (a rock composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite; general formula (Mg, Fe)3Si2O5(OH)4)

Pink Quartzite

Quartzite (primarily SiO2)

Quartzite

Quartzite (primarily SiO2)

Tiger's Eye (Rough)

Pseudomorph of Quartz after Crocidolite (SiO2 with FeOOH inclusions)

Quartzite

Quartzite (SiO2)

Nephrite Jade

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

Dendritic Agate or Spotted Quartzite

Silicon Dioxide (SiO2) with inclusions

Quartzite Pebble

Quartzite (primarily SiO2)

Serpentinite

Serpentinite (Mg, Fe, Ni)3Si2O5(OH)4

Serpentine

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

Marble

Metamorphosed Limestone (principally CaCO3)

Quartzite

Quartzite (mainly SiO2)

Eclogite

Eclogite (composed primarily of Omphacite and Pyrope Garnet)

Quartzite

Quartzite (primarily SiO2)

Quartzite Pebble

Quartzite (mostly SiO2)

Yellow Quartzite (Yellow Jasper)

Silicon Dioxide (SiO2)

Red Quartzite

Quartzite (SiO2)

Unakite

Epidotized Granite

Quartzite Pebble

Quartzite (SiO2)

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2), a variety of Actinolite-Tremolite

Quartz (Quartzite Pebble)

Silicon Dioxide (SiO2)

Greenstone Celt (Polished Stone Axe)

Metamorphosed mafic rock (often Basalt or Diabase)

Pink Quartzite

Quartzite (primarily SiO2)

Quartz (Quartzite)

Silicon Dioxide (SiO2)

Lapis Lazuli

Complex metamorphic rock consisting mainly of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite

Quartzite (Iron-stained)

Quartzite (SiO2 with Fe-oxides)

Quartzite Pebble

Quartzite (SiO2)

Quartzite

Quartzite (SiO2)

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Tiger Iron

Tiger Iron (Hematite, Red Jasper, and Chert/Tiger's Eye composite)