Sedimentary (Primary) With Artificial Modification

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Quartz (likely Clear Quartz or Rock Crystal)

Quartz (SiO2)

Nephrite Jade

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

Chalcedony (Banded/Mottled Variety)

Chalcedony (a cryptocrystalline variety of Quartz, SiO2)

Biotite Mica

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

Limonite with Quartz (Gossan)

Hydrated iron(III) oxide-hydroxide mixture (FeO(OH)·nH2O) with Silicon Dioxide (SiO2)

Lapis Lazuli (Raw Ore)

Na8[Al6Si6O24]n(S,Cl,SO4,OH)2 (Lazurite component)

Rough Diamond

Diamond (Native Carbon), C

Azurite

Azurite (Cu3(CO3)2(OH)2)

Lapis Lazuli

Sodium aluminum silicate with sulfur (main component: Lazurite [(Na,Ca)8(AlSiO4)6(SO4,S,Cl)2])

Quartz (specifically Milky Quartz Pebble)

Silicon Dioxide (SiO2)

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Quartz / Milky Quartz

Silicon Dioxide (SiO2)

Gold Nugget

Native Gold (Au)

Quartz Pebble (Iron-Stained)

Quartz (Silicon Dioxide - SiO2)

Hypersthene

(Mg,Fe)SiO3 - Enstatite-Ferrosilite series

Rough Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Granite

Granite (phaneritic intrusive igneous rock consisting mainly of quartz, alkali feldspar, and plagioclase)

Yellow Quartz (Citrine Quartz or Yellow Jasper)

Silicon Dioxide (SiO2) with iron impurities

Quartz (Milky Quartz vein fragment)

Silicon Dioxide (SiO2)

Hematite

Iron(III) oxide (Fe2O3)

Beryl (Variety: Aquamarine)

Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)

Sunstone

Heliolite (Sodium Calcium Aluminum Silicate with Iron or Copper inclusions)

Amber

Succinite (Approximate formula: C10H16O)

Granite (specifically Red Granite)

Phaneritic Plutonic Rock (High in Alkali Feldspar and Quartz)

Yellow Ochre / Limonite

Limonite (Hydrated Iron(III) Oxide-Hydroxide, FeO(OH)·nH2O)

Specular Hematite with Quartz

Ferric oxide (Fe2O3) and Silicon dioxide (SiO2)

Granitic Pegmatite with Schorl

Granitic Pegmatite (NaAlSi3O8, KAlSi3O8, SiO2) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

White Topaz

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

Rhodochrosite with Pyrite and Quartz

Manganese Carbonate (MnCO3)

Specular Hematite

Specularite (Iron Oxide, Fe2O3)

Quartz Pebble (River Rock)

Silicon Dioxide (SiO₂)

Granite

Granite (Felsic Plutonic Rock)

Silver (Native Silver/Alloy Specimen)

Ag (Native Silver element), specifically a 90% Ag / 10% Cu alloy

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Beryl (var. Heliodor or Aquamarine)

Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)

Diamond (in jewelry setting)

Adamantine Carbon (C)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Gold Ore in Quartz

Auriferous Quartz (SiO2 with Au inclusions)

Lepidolite in Quartz (Lithium-bearing Ore)

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) and Quartz (SiO2)

Amethyst

Silicon Dioxide (SiO2) with iron impurities