Anthropogenic (Man Made Industrial Deposit)

Agate

Silicon Dioxide (SiO2) - Variety of Chalcedony

Anthracite Coal

Anthracite (Carbon-rich metamorphic rock)

Quartzite (River Cobble)

Quartzite (SiO2 silicon dioxide)

Agate (or Chalcedony)

SiO2 (Silicon Dioxide) - a cryptocrystalline variety of quartz

Diamond

Cubic Carbon (C)

Diamond

Native Carbon (C)

Rough Green Fluorite

Fluorite (Calcium Fluoride - CaF2)

Bismuth

Bismuth (Bi)

Blue Topaz (specifically London Blue or Swiss Blue based on color saturation)

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

Diamond (Uncut Crystal)

Carbon (C)

Blue Agate (Dyed)

Silicon Dioxide (SiO2)

Green Fluorite

Calcium Fluoride (CaF2)

Milk Quartz (Tumbled)

Silicon Dioxide (SiO2)

Anthracite Coal

Anthracite (Carbon based)

Orange Calcite (likely polished specimen)

Calcite

Ruby

Corundum (Al₂O₃) with Chromium (Cr)

Blue Banded Agate (Dyed)

Silicon Dioxide (SiO2) - Variety of Chalcedony

Talc

Talc (Mg₃Si₄O₁₀(OH)₂)

Black Star Diopside

Diopside (CaMgSi2O6) with Magnetite inclusions

Magnetite

Magnetite (Fe3O4)

Limonite (also known as Yellow Ochre or Brown Hematite)

Limonite (Hydrated iron oxide-hydroxide, FeO(OH)·nH2O)

Sodalite

Sodalite: Na8(Al6Si6O24)Cl2

Fluorite (Purple Fluorite in Matrix)

Fluorite (Calcium Fluoride, CaF2)

Anthracite Coal

Anthracite (Carbon Content 86–97%)

Coal (most likely Bituminous or Anthracite)

Coal (organic sedimentary rock)

Peridot

Olivine ((Mg,Fe)2SiO4)

Included Quartz Beads (likely Phantom Quartz or Garden Quartz)

Quartz (SiO2) with various mineral inclusions

Banded Iron Formation (BIF) with Quartz

Banded Iron Formation, often composed of alternating layers of hematite (Fe2O3) or magnetite (Fe3O4) and chert (microcrystalline quartz, SiO2)

Jasper, Agate, Quartz Mix (Polished Beads)

SiO₂ (Silicon Dioxide) for Quartz. Jasper and Agate are cryptocrystalline varieties of Quartz.

Sapphire

Corundum (Al₂O₃) with trace elements causing color variations.

Diamond

Diamond (pure carbon; C)

Pyrite

Pyrite (FeS2)

Cat's Eye Moonstone (Simulated/Synthetic or natural Cat's Eye Quartz/Glass)

There is no single scientific name. The appearance suggests either: Moonstone (feldspar group), Cat's Eye Quartz (SiO2), Apatite (Ca5(PO4)3(F,Cl,OH)), or most likely a synthetic material such as Fiber Optic Glass or 'Opalite' (a type of glass).

Garnet

Garnet Group (complex nesosilicates with general formula X3Y2(SiO4)3, where X can be Ca, Mg, Fe2+, Mn2+ and Y can be Al, Fe3+, Cr3+, V3+)

Magnetite

Magnetite (Fe3O4)

Diamond

Carbon (C)

Amethyst

Quartz (SiO2) with trace iron impurities

Schist

Schist (various compositions)

Pyrite

Iron Pyrite (FeS₂)

Pebble (likely Quartz or Chert)

SiO₂ (Silicon Dioxide) - referring to the likely main mineral composition, Quartz. If it's chert, the scientific name remains SiO₂ with a microcrystalline structure.

Quartz (milky variety)

SiO2 (Silicon Dioxide)

Amazonite

KAlSi3O8 (Potassium Feldspar, variety of Microcline)