Mineral (Processed Metal)

Greenstone (Greenschist facies)

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

Gold-Bearing River Sand

Auriferous Placer Sand (Au + various minerals like SiO2 and Fe3O4)

Moqui Marble (Shaman Stone)

Ironstone Concretion (Fe2O3 - Hematite/Goethite shell with Sandstone core)

Labradorite

Labradorite ((Ca, Na)(Al, Si)4O8)

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Vesicular Basalt

Extrusive mafic igneous rock; primarily (Ca,Na)(Mg,Fe,Al,Si)2O6 (Pyroxene) and (Ca,Na)Al(Al,Si)Si2O8 (Plagioclase Feldspar)

Schist

Mica Schist (Variable chemistry, often rich in muscovite and biotite)

Goldstone

Aventurine glass (Synthetic glass with copper inclusions)

Milky Quartz

Silicon Dioxide (SiO2)

Schist

Mica Schist (primarily Muscovite or Biotite sheet silicates)

Basalt

Mafic Igneous Rock

Scoria (with Iron Oxidation)

Vesicular Basalt / Scoria

Basalt

Mafic volcanic rock (various silicate minerals including Pyroxene and Plagioclase)

Nuummite

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

Schist

Mica Schist (contains muscovite/biotite and quartz)

Basalt

Extrusive mafic igneous rock

Mahogany Obsidian

Volcanic Glass with Hematite/Magnetite inclusions

Schist

Schist (primarily mica-schist)

Schist

Mica Schist (predominantly Muscovite/Biotite)

Iron Meteorite (Individual)

Siderite (composed of Kamacite and Taenite minerals)

Biotite Schist

Biotite Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)

Schist

Mica Schist

Obsidian (specifically Rainbow or Silver Sheen Obsidian)

Volcanic Glass (predominantly SiO2)

Schist

Mica Schist (Quartz-Muscovite-Biotite Schist)

Vesicular Basalt (commonly mistaken for Slag)

Scoriaceous Basalt (composed primarily of Plagioclase Feldspar and Pyroxene)

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite (mica)

Rutilated Quartz

Quartz with Rutile Inclusions (SiO2 with TiO2 inclusions)

Moqui Marble (Concretion)

Iron Oxide Concretion (Hematite-cemented Sandstone)

Galena

Galena (Lead Sulfide), PbS

Rutilated Quartz

SiO2 with TiO2 inclusions (Rutile)

Magnetite

Magnetite (Fe3O4)

Lapis Lazuli

Lapis Lazuli (a rock composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2, with varying amounts of Calcite, Pyrite, and Sodalite).

Silver Sheen Obsidian

Volcanic Glass (Amorphous Silicon Dioxide - SiO2 with impurities)

Moqui Marble (Moqui Ball)

Ironstone Concretion (Goethite/Hematite cemented Sandstone)

Dumortierite Quartz (Blue Quartz)

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

Tree Agate (or Moss Agate)

Dendritic Agate (Silicon Dioxide - SiO2)

Schist

Mica Schist (formula variable based on mineral content, typically containing [K,Al,Fe,Mg,Si,O,H])

Iron Slag

Iron Slag (Industrial Vitreous Material)

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Anthracite Coal

Anthracite (Carbon-rich metamorphic coal)

Sandstone (Micaceous Sandstone)

Arenite (SiO2 with KAl2(AlSi3O10)(OH)2 inclusions)