Man Made Object (Simulant)

Amber (Black)

Amber (succinite, retinite, etc., specifically, heavily included/dark varieties)

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2 (Silicon Dioxide)

Carnelian (Chalcedony variety)

SiO2 (Silicon Dioxide)

Hematite (beads)

Hematite (Fe₂O₃)

Chevron Amethyst

Quartz (SiO2) with patterned Amethyst and White Quartz/Milky Quartz

Quartz (likely milky/rose quartz variety)

Quartz (SiO2 - Silicon Dioxide)

Polished brecciated jasper

Jasper, an opaque microcrystalline quartz variety (SiO₂), with iron-oxide and clay/mineral inclusions

Carnelian (red chalcedony), possibly red agate or jasper

Chalcedony, a microcrystalline variety of quartz; silicon dioxide (SiO₂), commonly colored red-orange by iron oxides. The specimen may include opaque jasper or agate zones.

Bloodstone

Heliotrope (a variety of Chalcedony, SiO₂ with inclusions)

Onyx (beads)

SiO2 (Cryptocrystalline Quartz)

Amethyst

Quartz variety; chemical formula: SiO₂ (silicon dioxide) with Fe³⁺ impurities

Peridot

Olivine (Mg,Fe)2SiO4

Obsidian

Obsidian (volcanic glass)

Iron Meteorite

Iron-nickel alloy (primarily kamacite and taenite)

Iron Meteorite

Iron-nickel alloy (e.g., Kamacite, Taenite)

Red Jasper (with Quartz Veins)

Jasper (var. chert, SiO₂)

Brecciated jasper, possibly rainforest jasper

Jasper: microcrystalline to cryptocrystalline quartz, SiO₂, commonly containing hematite, goethite, chlorite, epidote, and other iron- and manganese-bearing minerals

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)

Asphalt

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

Nephrite Jade

Nephrite (a variety of the mineral actinolite within the amphibole group); Chemical Formula: Ca2(Mg,Fe)5Si8O22(OH)2

Mixed Chalcedony and Jasper Bracelet (possibly 'Ocean Jasper' or similar banded variety for brown beads, and blue/grey Chalcedony for the translucent beads)

Chalcedony (SiO2), Jasper (SiO2 with impurities)

Amazonite

KAlSi3O8 (Potassium Feldspar, variety of Microcline)

Hematite

Hematite (Fe2O3)

Clay (as a rock-forming material)

Clay minerals (e.g., Kaolinite group, Smectite group, Illite group, Chlorite group)

Dyed Howlite (simulating Lavender/Purple Jade or Charoite)

Howlite: Ca2B5SiO9(OH)5 (when natural)

Likely serpentine (serpentinite) pebbles

Serpentine-group minerals, chiefly antigorite, lizardite, and/or chrysotile; commonly Mg₃Si₂O₅(OH)₄, sometimes containing magnetite, chromite, and minor carbonate minerals

Turquoise cabochon

Turquoise; hydrated copper–aluminum phosphate, approximately CuAl6(PO4)4(OH)8·4H2O (composition varies)

Blue chalcedony cabochon (probable)

Chalcedony, cryptocrystalline quartz; silicon dioxide (SiO₂)

Lapis Lazuli

Lapis Lazuli (a rock composed primarily of Lazurite (Na,Ca)₈[(S,Cl,SO₄,OH)₂|(Al₆Si₆O₂₄)], with varying amounts of Calcite, Pyrite, and Sodalite.)

Agate (or Chalcedony)

SiO2 (Silicon Dioxide) - a cryptocrystalline variety of quartz

Agate

Chalcedony (cryptocrystalline quartz)

Citrine

Quartz (SiO2) - specifically, a variety of macrocrystalline quartz

Unakite

Unakite (epidote-bearing altered granite; mainly pink potassium feldspar, green epidote, and quartz)

Red Coral

Corallium rubrum (for precious red coral), although other species like Corallium japonicum and Paracorallium are also used.

Red Chalcedony (likely dyed)

Chalcedony (a variety of Quartz), SiO2

Smoky Quartz

SiO2 (Silicon Dioxide)

Tiger's Eye

Tiger's Eye (a variety of Quartz, SiO₂)

Jade (likely Nephrite or Jadeite)

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (Na(Al,Fe3+)Si2O6)

Leopard Skin Jasper

Chalcedony (cryptocrystalline Quartz)

Orange Calcite (likely polished specimen)

Calcite

Unakite

Epidote-Feldspar rock

Aventurine (likely Green Aventurine)

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