Man Made Metamorphic Style Composite

Green Aventurine

Silicon Dioxide (SiO2+KAl2(AlSi3O10)(OH)2)

White Marble

Recrystallized Calcite (CaCO3)

Red Quartzite

Quartzite (Metamorphic quartz sandstone)

Greenstone

Metabasalt / Metavolcanic rock

Red Quartzite

Quartzite (Metamorphosed Quartz Arenite)

Quartzite

Metamorphic Quartzite (SiO2)

Small metallic-gold mineral fragment, possibly pyrite

Pyrite (FeS₂), if confirmed

Banded Gneiss

Gneiss (Foliated Metamorphic Rock)

Slate

Slate (Foliated Metamorphic Rock)

Tumbled chalcedony (likely milky quartz)

Microcrystalline quartz, SiO₂; possibly pale agate or quartzite

Agate (specifically Botswana or Lake Superior style Agate)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Quartzite

Quartzite (Metamorphosed Sandstone)

Red Quartzite

Quartzite (SiO2)

Quartzite

Metamorphic Quartzite (SiO2)

Goldstone

N/A (Synthetic Glass with Copper Inclusions)

Tumbled epidote-bearing rock (likely epidote–quartz–feldspar aggregate)

Epidote-rich metamorphic rock; minerals likely epidote (Ca₂(Al,Fe)₃Si₃O₁₂(OH), quartz, feldspar, and dark amphibole/biotite)

Flaked stone projectile point

Likely worked chert or fine-grained silicified shale; exact lithology cannot be confirmed from the image

Moonstone (specifically Rainbow Moonstone / White Labradorite)

White Labradorite (Feldspar Group: (Na,Ca)(Al,Si)4O8)

Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite

Pearl and Garnet Glass

Calcium Carbonate (CaCO3) for pearl; Silicon Dioxide (SiO2) for glass

Tumbled aqua glassy mineral specimen, likely chrysocolla or turquoise imitation

Uncertain from image; possible chrysocolla (hydrated copper aluminosilicate, variable composition) or dyed/man-made glass

White Marble

Metamorphic Limestone (CaCO3)

Green Quartzite

Metamorphic Quartzite (often colored by chromium-bearing minerals or fuchsite)

Slate

Foliated Metamorphic Slate

Quartzite

Metamorphic Quartzite (SiO2)

Pink Marble

Recrystallized Limestone (Calcium Carbonate, CaCO3)

Aventurine

Aventurine Quartz (SiO2 with inclusions of Fuchsite)

White Marble

Recrystallized Calcite Rock (CaCO3)

Blue faceted gemstone, likely synthetic sapphire or blue glass

Corundum (Al₂O₃) if sapphire; identity cannot be confirmed visually

Luminous Stone (Glow-in-the-dark Synthetic/Man-made Stone)

Strontium Aluminate tinted glass or resin (Crystalline silicate/oxide mix)

Quartzite

Quartzite (Metamorphic Quartz Sandstone)

Dark gneiss or migmatitic amphibolite

Band ed gneiss; composition likely quartz–feldspar–biotite/amphibole, possibly migmatite

Quartzite

Metamorphic Quartzite (SiO2)

Likely tumbled epidote-bearing rock or green jasper

Epidote-group silicate, possibly in a jasper or serpentinite matrix

Corundum (Sapphire variant)

Aluminium oxide (Al2O3)

Malaysian 50 Sen Coin

Coinage (specific alloy unknown without metallurgical analysis, but typically brass or bronze for this denomination and era)

Marble

Recrystallized Calcite (CaCO3)

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite

Banded calcite (likely polished limestone/marble fragment)

Calcite, CaCO₃; probable banded calcitic marble

Probable amber fragment

Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)

Smoky Quartz

Silicon Dioxide (SiO2)

Polished smoky quartz crystal point

Quartz (SiO₂), likely iron-colored or smoky quartz with milky inclusions