Metamorphic

Banded Gneiss (River Cobble)

Gneiss (High-grade regional metamorphic rock)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Anthracite Coal

Anthracite (Carbon-based sedimentary-metamorphic rock)

Pink Quartzite Pebble

Metamorphic Quartzite (SiO2 with iron oxide inclusions)

Marble

Metamorphosed Limestone (mainly CaCO3)

Marble

Recrystallized Calcite (CaCO3)

Granite Gneiss with Garnet

Garnetiferous Gneiss

Pink Marble or Rose Quartz (Likely Pink Marble based on carving texture)

Recrystallized Calcite (CaCO3)

Greenstone

Greenschist / Greenstone (contains epidote, chlorite, and actinolite)

Marble

Recrystallized Calcite (CaCO3)

Greenschist

Greenschist (Chlorite Schist)

Jadeite and Nephrite (Jade)

Sodium Aluminum Silicate (Jadeite) / Calcium Magnesium Iron Silicate (Nephrite)

Biotite Schist

Biotite Schist

Quartzite (River Pebble)

Metamorphic rock consisting primarily of Quartz (SiO2)

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Mica Schist

Foliated Metamorphic Rock (rich in Muscovite or Biotite)

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Iron-stained Quartzite

Metamorphic Quartz (SiO2) with limonite/hematite staining

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Gneiss

High-grade regional metamorphic rock (Foliated)

Gneiss with Quartz Veining

Gneiss (High-grade regional metamorphic rock)

Granite Gneiss

Gneiss (High-grade regional metamorphic rock)

Quartzite with Iron Inclusions

Metamorphic Quartzite (SiO2 with Fe2O3 trace impurities)

Marble (Carrara style)

Recrystallized Calcite-rich Metamorphic Rock (CaCO3)

Gneiss (specifically Pink Gneiss)

Gneiss (high-grade regional metamorphic rock)

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Banded Gneiss

Gneiss (high-grade metamorphic silicate rock)

Granite Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Lapis Lazuli

Lazurite-rich metamorphic rock (complex silicate)

Anthracite Coal

Anthracite (Carbon-rich Sedimentary-to-Metamorphic Rock)

Gneiss (specifically a Banded Gneiss pebble)

Gneiss (High-grade Regional Metamorphic Rock)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Granite Gneiss

Gneiss (High-grade regional metamorphic rock)

Banded Gneiss

Gneiss (quartz-feldspar-biotite metamorphic rock)

Gneiss (specifically Micaceous Gneiss)

Gneiss (High-grade Regional Metamorphic Rock)

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) within a metamorphic matrix

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica