Metamorphic Rock (For Nephrite And Some Jadeite); Mineral (For Jadeite)

Pink Feldspar (Orthoclase)

Orthoclase Feldspar (KAlSi3O8)

Labradorite

(Ca,Na)(Al,Si)4O8

Rhodonite

Rhodonite, manganese inosilicate — MnSiO₃; the specimen may include quartz, feldspar, and black manganese-oxide minerals in the matrix

Pebble (likely Sandstone or Granitic Pebble)

Clastic Sediment (or specific rock type, e.g., Arenite, Granitoid Pebble)

Greenschist / Chloritaform Schist

Chlorite Schist (Group of Silicate Minerals)

Gneiss

Gneiss

Serpentine

Serpentinite (composed mainly of Group Minerals Antigorite, Chrysotile, and Lizardite; Mg3Si2O5(OH)4)

Amazonite

KAlSi3O8 (Potassium Aluminum Silicate) - a variety of Microcline Feldspar

Shale (Beach-worn)

Laminated Pelite (primarily clay minerals and quartz)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (SiO2)

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Peacock Ore (Chalcopyrite)

Chalcopyrite (CuFeS2)

Bloodstone

Heliotrope (a variety of Chalcedony, SiO₂ with inclusions)

Garnet (Almandine)

Almandine (Fe3Al2(SiO4)3)

River Cobble (Gneiss/Migmatite)

Gneissic Metamorphic Rock (composed mainly of Quartz, Feldspar, and Biotite)

Pyrite

Iron Sulfide (FeS2)

Clear Quartz

Silicon Dioxide (SiO2)

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Serpentinized ultramafic rock with magnesite

Serpentinite, chiefly serpentine-group minerals (Mg₃Si₂O₅(OH)₄), with likely magnesite (MgCO₃) and minor chromite/magnetite

Yellow Quartzite (River Pebble)

Quartzite (primarily Silicon Dioxide, SiO2)

Magnetite-rich Iron Ore

Magnetite (Fe3O4)

Greenstone with Epidote or Quartz Vein

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

Gneiss

Gneiss (Metamorphic rock of variable composition, typically SiO2 rich)

Amygdaloidal Basalt with Quartz Veining

Basalt (Extrusive Igneous Rock) with Quartz (SiO2) veining

Quartzite Pebble

Quartzite (SiO2)

Yellow Quartzite

Metamorphosed Quartz (SiO2)

Sandstone

Arenite (SiO2 principal)

Serpentinite (serpentinized ultramafic rock)

Serpentine-group minerals, chiefly lizardite and antigorite; commonly derived from peridotite

Schorl (Black Tourmaline)

Schorl (Sodium Iron Aluminum Borosilicate Hydroxide), NaFe3Al6(BO3)3Si6O18(OH)4

Serpentine

Serpentinite (Mg, Fe)3Si2O5(OH)4

Serpentine

Antigorite / Lizardite / Chrysotile (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Fuchsite

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

Potassium Feldspar

Orthoclase (KAlSi3O8)

Labradorite

Labradorite (Ca,Na)(Al,Si)4O8

Labradorite

(Ca, Na)(Al, Si)4O8

Pyrite

Iron Sulfide (FeS2)

Gneiss

Gneiss (a type of metamorphic rock)

Greenstone (Chert)

Microcrystalline Silica (SiO2) with chlorite/epidote inclusions

Smoky Quartz

Silicon Dioxide (SiO2)