Igneous Or Metamorphic (Base Stone); Anthropogenic (Decoration)

Basalt

Basalt (Igneous Volcanic Rock)

Serpentinite (Serpentine Rock)

Primarily composed of serpentine group minerals, such as antigorite, chrysotile, and lizardite. Chemical formula for serpentine minerals is (Mg,Fe)3Si2O5(OH)4.

Bloodstone (Heliotrope)

Silicon Dioxide (SiO2) - Variety of Chalcedony/Jasper

Assorted Decorative Tumbled Stones (Quartz, Sodalite, Aventurine, Calcite)

Mixed Silicates and Carbonates (SiO2, Na8(Al6Si6O24)Cl2, CaCO3)

Mica Schist

Schist (Biotite/Muscovite rich)

Amethyst

Silicon dioxide (SiO2)

Graphite

Graphite (C)

Basalt

Extrusive mafic igneous rock

Greenstone (Metabaltic/Greenschist)

Chlorite schist / Meta-basalt

Gneiss

Gneiss (High-grade metamorphic rock)

Red Granite

Potassium-feldspar rich Granite

Black Tourmaline

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

Corundum

Corundum (Al2O3)

Epidote in Matrix

Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)

Mica Schist

Mica Schist (primarily Muscovite or Biotite KAl2(AlSi3O10)(OH)2)

Gneiss

High-grade regional metamorphic rock (Foliated)

River Pebble (Quartzite/Siltstone mixture)

Silicon Dioxide (SiO2) mixture with varied clastic minerals

Basalt with Iron Oxidation

Mafic Igneous Rock (Basalt)

Basalt (Vesicular/Amygdaloidal or Water-Worn)

Basalt

Basalt (with possible Olivine inclusions)

Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Jasper with Quartz inclusions

Silicon Dioxide (SiO2) - Microcrystalline Chalcedony

Blue Quartz (Aventurine)

Silicon Dioxide (SiO2) with inclusions of crocidolite or dumortierite

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

White Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Greenstone

Greenschist / Greenstone (containing Chlorite, Epidote, Actinolite)

Limestone (Concretionary or Tufa)

Calcium Carbonate (CaCO3)

Granitic Gneiss

Gneiss (containing Potassium Feldspar and Quartz)

Sodalite

Na8(Al6Si6O24)Cl2

Granite with Mafic Inclusions

Granite (Phaneritic igneous rock composed of Quartz, Feldspar, and Mica)

Basalt

Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)

Diorite (Salt and Pepper Rock)

Diorite

Basalt with Quartz Veining

Basalt (Mafic Volcanic Rock with SiO2)

Basalt

Basalt (Mafic volcanic rock)

Diorite

Diorite (an intermediate intrusive igneous rock)

Basalt

Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)

Slate

Slate (Foliated Metamorphic Rock)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Basalt with Quartz Vein

Mafic Igneous Rock (SiO2 filling)

Fuchsite

Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)

Mica Schist

Mica Schist (primarily Muscovite and Biotite micas)

Smoky Quartz

Silicon Dioxide (SiO2)

Mica Schist

Mica Schist (primarily Muscovite and Quartz)