Organic (If Resin) Or Synthetic (If Glass); Simulating Sedimentary Or Metamorphic (For Natural Stones)

Polished brecciated jasper

Microcrystalline quartz (SiO₂), commonly with hematite/goethite and iron-rich alteration minerals

Opalite

Synthetic Fluorescent Glass (SiO2 + impurities)

Clear Quartz

Silicon Dioxide (SiO2)

Amber

Succinicum (Organic polymer, largely C10H16O)

Shale

Shale (comprised mostly of clay minerals and quartz)

Aventurine (Green)

Silicon Dioxide (Quartz) with inclusions typically of Fuchsite; SiO2

Shale (possibly Carbonaceous or Oil Shale)

Argillaceous Sedimentary Rock

Amber

Succinite

Banded Quartzite River Pebble

Metamorphosed Quartz-rich Sandstone (SiO2)

Banded Black Onyx (Chalcedony)

Silicon Dioxide (SiO₂)

Emerald

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

Clear Quartz

Silicon Dioxide (SiO2)

Asphalt aggregate

Human-made bituminous asphalt containing crushed silicate rock aggregate

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide, SiO2)

Polished blue stone, likely sodalite or dyed agate

Most consistent with sodalite (Na₈(Al₆Si₆O₂₄)Cl₂), though the image cannot confirm composition

Smoky Quartz / Chalcedony

Silicon Dioxide (SiO2)

Dyed Pink Quartzite (Jadeite Simulant)

Silicon Dioxide (SiO2) with organic dye

Chert with Quartz Veins

Microcrystalline silica (SiO2)

Flint or chert flake

Microcrystalline quartz (SiO₂), commonly chalcedony with possible minor impurities

Likely weathered pebble or mineral fragment

Indeterminate; possibly quartz-rich stone, iron-stained feldspar, or a small chert fragment

Bull Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Sandstone

Arenite (SiO2 based typically)

Slag Glass (Cullet)

Amorphous Silica (man-made), primarily SiO2 with trace metal oxides

Citrine Quartz

Silicon Dioxide (SiO2)

Black Tourmaline

Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)

Banded Chert

Microcrystalline Quartz (SiO2)

Chert (Yellow Jasper)

Microcrystalline Quartz (SiO2)

Shungite

Non-crystalline carbon (allotrope of carbon)

Quartz / Citrine Quartz

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Sandstone

Arenite

Jasper

Chalcedony (SiO2)

Chert (Basanite)

Chert (Microcrystalline SiO2)

Blue Chalcedony (likely dyed Agate)

Silicon Dioxide (SiO₂)

Clear Quartz (Rock Crystal Fragments)

Silicon Dioxide (SiO2)

Likely yellow quartz gemstone ring

Quartz (SiO₂), possibly heat-treated citrine or lemon quartz; metal setting appears to be brass/gold-colored alloy

Brown quartz-rich pebble (likely chert or weathered quartzite)

Quartz (SiO₂), possibly microcrystalline quartz/chert or quartzite

Smoky Quartz

Silicon Dioxide (SiO2)

Blue Goldstone

Aventurine Glass (Silicon Dioxide infused with Cobalt/Copper)

Hematite bead bracelet

Hematite (iron(III) oxide, Fe₂O₃), likely polished magnetic hematite or hematite-coated beads

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Baltic Amber (Butterscotch or Egg Yolk Variety)

Succinite (C10H16O)