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

Mica Schist

Mica Schist (predominantly composed of Muscovite or Biotite silicates)

Basalt with inclusion

Basalt (Aphanitic-Porphyritic texture)

Basalt (River Stone)

Extrusive Mafic Igneous Rock (Basalt)

Ferruginous Quartz (Iron-stained Quartzite)

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Dream Amethyst (Chevron Amethyst)

Silicon Dioxide (SiO2) with Ferric Iron impurities

Basalt

Mafic volcanic rock (primarily plagioclase feldspar and pyroxene)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Greenstone with Epidote or Quartz Vein

Epidiorite or Metabasalt (composed largely of Chlorite, Epidote, and Amphibole)

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Milky Quartz Pebbles

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Gneiss

Gneissic Metamorphic Rock

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Milky Quartz

Silicon Dioxide (SiO2)

Moonstone

Orthoclase Feldspar (formula: (K,Na)AlSi3O8)

Gneiss

Gneiss

Greenstone

Greenschist / Greenstone (Chlorite-Epidote facies)

Labradorite

(Ca, Na)(Al, Si)4O8 (Calcium Sodium Aluminum Silicate)

Jasper (likely Ocean Jasper or Variegated Jasper)

Silicon Dioxide (SiO2) with impurities

Orange Calcite

Calcium Carbonate (CaCO3)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Common or Milky Quartz)

Silicon Dioxide (SiO2)

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Raw Citrine (Yellow Quartz)

Citrine / Silicon Dioxide (SiO2)

Red Granite

Phaneritic Felsic Igneous Rock

Graphite

Graphite (Carbon, C)

Lepidolite in Quartz (Obelisk)

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

Granite (specifically Pink or Red Granite)

Phaneritic Felsic Igneous Rock (Granite)

Vesicular Basalt

Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)

Orthoclase Feldspar (Twinning Specimen)

Orthoclase (KAlSi3O8)

Moonstone

Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)

Garnet

Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3

Green Aventurine (Carved)

Silicon Dioxide (Quartz variant) with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O(OH)2)

Gneiss

Gneiss (High-grade metamorphic rock)

Gneiss (Stream-worn Cobble)

Gneiss (Metamorphic rock composed primarily of Quartz, Feldspar, and Mica)

Nuummite

Nuummite (Orthoamphibole rock / Anthophyllite-Gedrite blend)

Nuummite

Nuummite (intergrowth of orthoamphiboles Anthophyllite and Gedrite, (Mg,Fe)7Si8O22(OH)2)

Moss Agate

Chalcedony (Silicon Dioxide) with dendritic inclusions (SiO2)

Mahogany Obsidian

Volcanic Glass with Hematite inclusions (SiO2 + Fe2O3)

Pyrite

Iron Pyrite (FeS₂)

Moonstone

Potassium Aluminum Silicate (KAlSi3O8)