Mineral (Biogenic)

Hemimorphite

Hemimorphite (Zn4Si2O7(OH)2·H2O)

Rose Quartz

Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Serpentinite

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

Petrified Wood

Silicified Wood (SiO2)

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Vesicular Basalt with Zeolite

Mafic volcanic rock with Hydrated Aluminosilicate minerals (Zeolite group)

Diamond (or high-quality simulant like Cubic Zirconia)

Carbon (C) - Native Element

Diamond

Carbon (C)

Halite (Rock Salt)

Halite (NaCl)

Quartz Pebble

Silicon Dioxide (SiO2)

Vesicular Basalt

Basalt with secondary mineral infilling (Amygdaloidal Basalt)

Green Aventurine and Clear Quartz

Aventurine (variety of Quartz - SiO2) and Quartz (SiO2)

Banded Gneiss

Gneiss (Metamorphic silicate rock)

Mica Schist

Mica Schist (primarily Muscovite and Quartz)

Schist

Crystalline Metamorphic Rock (Schistose)

Shale or Argillite

Shale (fine-grained clastic sedimentary rock) or Argillite (low-grade metamorphic rock derived from shale)

Serpentine Jade (New Jade/Olive Jade)

Serpentinite (a rock composed primarily of serpentine minerals) / Mg3Si2O5(OH)4 for Antigorite and Lizardite

Mica (Biotite or Phlogopite variety)

Phyllosilicate (complex mineral formula involving K, Mg, Fe, Al, Si, and O)

Granite Pebble

Granitoid (Felsic Plutonic Rock)

Schorl (Black Tourmaline)

NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Iron-stained Quartz (with Limonite/Hematite)

Silicon Dioxide (SiO2) with Iron Oxide inclusions (FeO(OH) or Fe2O3)

Quartz Druze on Matrix

Silicon Dioxide (SiO2)

Chrysocolla

Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O

Specular Hematite

Iron(III) oxide (Fe2O3)

Botryoidal Lace Agate

Agate (Silicon Dioxide, SiO2)

Malachite

Copper(II) carbonate hydroxide, Cu2CO3(OH)2

Greenschist (Greenstone)

Greenschist

Granite

Phaneritic Felsic Intrusive Igneous Rock

Sand (Construction Grade)

Unconsolidated siliciclastic sediment (primarily SiO2)

Sandstone (likely Arkosic or Lithic)

Clastic Sedimentary Rock (composed mostly of SiO2)

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Ferruginous Sandstone (Gozzan/Ironstone)

Arenite with Limonite/Goethite cement (FeO(OH)·nH2O)

Basalt

Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Rough Diamond

Diamond (Native Carbon, C)

Red Jasper

Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)

Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Chrysocolla and Azurite on Matrix

Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4 (Chrysocolla) and Copper carbonate hydroxide Cu3(CO3)2(OH)2 (Azurite)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Raw Diamond

Diamond (C)