Sedimentary Or Igneous Associated Mineral

Sandstone (with man-made markings)

Arenite (composed primarily of Quartz, SiO2)

Granite

Granite (Phaneritic Quartz-Feldspar Plutonic Rock)

River Agate (Chert/Chalcedony)

Cryptocrystalline Quartz (SiO2)

Lapis Lazuli

Lapis Lazuli (a rock type, not a single mineral; main component is Lazurite (Na,Ca)8[(S,Cl,SO4,OH)2|(Al6Si6O24)])

Quartz in Host Rock

Silicon Dioxide (SiO2) in Rhyolite or Granite matrix

Gneiss

Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Mica/Amphibole)

Black Spinel

Magnesium Aluminum Oxide (MgAl2O4)

Calcite

Calcite (Mineral, Calcium Carbonate - CaCO3)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Orthoclase Feldspar (or K-Feldspar)

Orthoclase (KAlSi3O8)

Serpentine

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

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Sodalite

Sodalite, Na8(Al6Si6O24)Cl2

Brown Sandstone

Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)

Nephrite Jade

Nephrite

Metal Alloy (Likely Pewter or Sterling Silver)

Not a natural geological specimen; composed of refined metals. If pewter, it's a tin-based alloy. If sterling silver, it's 92.5% silver and 7.5% other metals (usually copper).

Sandstone

Arenite

Unakite

Epidotized Granite

Tiffany Stone

Fluoritized Opal Beryllium Tuff (composed of Fluorite; CaF2, Opalized SiO2, Bertrandite, Chalcedony, and Quartz)

Bumblebee Jasper

Calcite with Arsenic and Manganese oxides (technically a volcanic rock)

Greenstone / Glauconitic Siltstone

Metabasalt or Glauconite-rich Sedimentary Rock

Red Swirl Beads (Likely Resin or Glass, simulating Red Jasper or Agate)

N/A (for the beads as pictured); Red Jasper: SiO2 (Chert variety); Red Agate: SiO2 (Chalcedony variety)

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Serpentinite

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

Potassium Feldspar (Orthoclase)

Orthoclase (KAlSi3O8)

Hypersthene

Hypersthene ((Mg,Fe)SiO₃)

Sandstone (Quartz-rich)

Arenite (SiO2)

Rose Quartz

Silicon Dioxide (SiO2)

Rose Quartz

Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese

Rhodonite

Rhodonite (MnSiO3)

Aventurine (likely Green Aventurine)

Silicon Dioxide (SiO2) with included minerals (Fuchsite for green)

Limonite (Iron Ore/Hydrated Iron Oxide)

Limonite (mixture of FeO(OH)·nH₂O minerals, mainly Goethite, FeO(OH) and Lepidocrocite, FeO(OH))

Jade

Jadeite or Nephrite (both are commonly referred to as 'jade'). Jadeite: NaAlSi2O6; Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2.

Plagioclase Feldspar (specifically Albite/Oligoclase)

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

Drill Core Samples (Varied Lithology)

Multi-lithological core samples (containing potential granite, marble, and phyllite/schist sequence)

Sapphire

Corundum (Al2O3)

Gneiss

Gneiss (High-grade metamorphic rock)

Rose Quartz

Quartz (SiO₂), specifically a variety of Quartz

Seraphinite

Clinochlore (a variety of the chlorite group)

Quartzite

Quartzite (SiO2)

Rhyolite

Rhyolite (Extrusive Igneous Rock)