Mineral Based Human Made Alloy

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

Conglomerate (Puddingstone)

Conglomerate (specifically, clastic sedimentary rock)

White Topaz

Al2SiO4(F,OH)2 (Aluminium Silicate Fluoride Hydroxide)

Chert (Jasper-bearing)

Microcrystalline silica (SiO2) with iron oxide inclusions

Chert (variant Flint/Jasper)

Microcrystalline Opaline Silica (SiO2)

Basalt with Iron Oxides

Mafic Igneous Rock (Mafite)

Basalt with Quartz/Calcite Veins

Basalt (Aphanitic Mafic Volcanic Rock) with Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3) inclusions

Granite

Granite (Felsic Plutonic Rock)

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Iron-stained Quartz (Gossan/Limonite-coated Quartz)

Silicon Dioxide (SiO2) with Hydrated Iron Oxides (FeO(OH)·nH2O)

White Jade (Nephrite)

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

Granite Sand (Decomposed Granite)

Grus / Quartz-Feldspar Detritus

Sandstone (with minor quartz and possible clay components)

Clastic Sedimentary Rock (SiO2 dominated)

Conglomerate

Conglomerate (SiO2 matrix with various silicate clasts)

Basalt with Vesicular Texture

Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)

Granite

Granite (Alkali-feldspar, Quartz, and Plagioclase composition)

Chalcedony (Moonstone variant or White Agate)

Silicon Dioxide (SiO₂)

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Granite

Phaneritic Igneous Rock (Granite)

Granite

Phaneritic Igneous Rock (Granite)

Hematite

Hematite, Iron(III) oxide (Fe2O3)

Limonite-stained Chert

Silicon Dioxide (SiO2) with Hydrated Iron Oxide (FeO(OH)·nH2O)

Granite

Phaneritic Felsic Intrusive Igneous Rock

Sandstone (Micaceous)

Arenite (composed primarily of SiO2)

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3/FeO(OH) cementing agents)

Granite

Granite (composed primarily of Quartz, Feldspar, and Mica)

Sandstone

Clastic sedimentary rock (primarily SiO2)

Jasper

Jasper (Silica/Silicon Dioxide, SiO2)

Gabbro

Gabbro (Mafic Plutonic Rock)

Ferruginous Quartz (Iron-stained Quartz)

Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)

Granite

Granite (Felsic Plutonic Rock)

Quartz in Basalt (Xenocryst)

Silicon Dioxide (SiO2) in Mafic Igneous Volcanic Rock

Porphyritic Andesite

Andesite

Chert (Nodular Chert)

Microcrystalline Silica (SiO2)

Chert (Chert / Flint nodule)

Silicon Dioxide (SiO2)

Chert (specifically Flint)

Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)

Chert (variations include Flint/Chalcedony)

Chert (SiO2 - Silicon Dioxide)

Yellow Jasper

Silicon Dioxide (SiO2) with hydrated iron oxide impurities (Goethite)

Asphalt

Asphalt concrete (engineered material, not a naturally occurring rock/mineral in this form)

Granite

Granite

Ferruginous Sandstone (Ironstone Nodules)

Ferruginous Sandstone with Limonite/Goethite coating (Fe2O3·H2O)

Mahogany Obsidian

Volcanic Glass with Hematite/Magnetite inclusions (SiO2)