Mineral And Metamorphic Rock

Serpentinite (often containing Jadeite/Nephrite)

Antigorite-rich Serpentine Rock, (Mg, Fe)3Si2O5(OH)4

Gneiss

Gneiss (High-grade Metamorphic Rock)

Unidentified Rock Fragment

Unknown

Boxwork Quartz / Septarian Jasper

Boxwork (SiO2 with iron oxide inclusions)

Pyrite in Quartz

Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)

Serpentinite

Serpentinite (a rock composed predominantly of serpentine group minerals)

Gneiss

Gneiss (High-grade metamorphic rock)

Almandine Garnet

Iron aluminum silicate (Fe3Al2(SiO4)3)

Rough Ruby

Corundum (Al2O3 with Chromium impurities)

Smoky Quartz

Silicon Dioxide (SiO2)

Lapis Lazuli

Sodium aluminum silicate with sulfur (main component: Lazurite [(Na,Ca)8(AlSiO4)6(SO4,S,Cl)2])

Quartz Vein in Host Rock (Likely Slate or Shale)

Hydrothermal Quartz (SiO2) in Pelitic host rock

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Banded Gneiss (River Cobble)

Gneiss (a high-grade metamorphic rock)

Almandine Garnet

Almandine (Fe3Al2Si3O12)

Veined Pebble (likely a Quartz-Veined Pebble)

Pebble with Mineral Vein (e.g., Quartz Vein in a Chert/Mudstone Pebble)

Red Aventurine

Aventurine Quartz (SiO2 + Hematite/Goethite)

Foliated Gneiss (River-Worn Pebble)

Gneiss (High-grade Regional Metamorphic Rock)

Tiger's Eye (Inlaid in a band)

SiO2 (Silicon Dioxide with Crocidolite inclusions)

Dyed Agate

Silicon Dioxide (SiO2) - variety Chalcedony

Dragon Blood Jasper

Epidote with Pietersite or Red Jasper (Ca2Al2Fe3+[Si2O7][SiO4]O(OH))

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Black Sand (Magnetite Sand)

Magnetite-rich Placers (Fe3O4)

Schist

Mica Schist

Schist

Mica Schist

Milky Quartz (with trace inclusions)

Silicon Dioxide (SiO2)

Quartz with Chalcopyrite and Pyrite

Silicon Dioxide (SiO2) with Copper Iron Sulfide (CuFeS2)

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Fuchsite (Green Muscovite)

K(Al,Cr)2(AlSi3O10)(OH)2

Quartz

Silicon Dioxide (SiO2)

Ruby in Zoisite (Anyolite)

Anyolite (Combination of Corundum and Zoisite)

Muscovite Mica (Golden/Yellow variety)

KAl2(AlSi3O10)(F,OH)2

Quartz (Milky Quartz / Quartzite)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Grey Agate

Silicon Dioxide (SiO2) - Variety of Chalcedony

Dragon Blood Jasper (Epidote with Piedmontite or Quartz)

Epidote-rich Quartzite / SiO2 with (Ca2(Al2,Fe)(Si2O7)(SiO4)O(OH))

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)

Dragon Blood Jasper

Epidote-containing Quartz Chalcedony (SiO2 with Ca2(Al, Fe)3(SiO4)3(OH))

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Tiger's Eye

Pseudomorph of Crocidolite (SiO2 with iron oxides)