Mineral Group

Kfeldspar (Potassium Feldspar)

KAlSi3O8

Pink potassium feldspar (orthoclase/microcline)

KAlSi₃O₈; likely massive potassium feldspar, possibly with quartz

Green serpentine (likely serpentinite)

Serpentine-group minerals, commonly antigorite, lizardite, and/or chrysotile; rock name: serpentinite

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Cleaved feldspar crystal (likely plagioclase)

Plagioclase feldspar, approximately NaAlSi₃O₈–CaAl₂Si₂O₈ solid solution

Pink feldspar, likely potassium feldspar (rough specimen)

Orthoclase or microcline, KAlSi₃O₈

Red garnet (possible almandine or pyrope), cut/polished

Garnet-group silicate; likely almandine, Fe₃Al₂(SiO₄)₃, or pyrope, Mg₃Al₂(SiO₄)₃

Feldspar (Plagioclase / Orthoclase)

KAlSi3O8 / CaAl2Si2O8 - NaAlSi3O8

Peach-colored feldspar (likely potassium feldspar)

Orthoclase or microcline, KAlSi₃O₈

Raw pink feldspar (likely orthoclase or microcline)

Potassium feldspar, KAlSi₃O₈

Pink Thulite (in Pumice-like texture)

Pink Zoisite (Mn-bearing Zoisite), Ca2Al3(SiO4)3(OH)

Peach Moonstone

Potassium Aluminum Silicate (KAlSi3O8)

Vanadinite

Vanadinite, Pb₅(VO₄)₃Cl

Polished dark green stone, likely serpentine

Serpentinite; chiefly serpentine-group minerals, approximately Mg₃Si₂O₅(OH)₄

Pink feldspar crystal

Likely potassium feldspar (orthoclase or microcline), KAlSi₃O₈

Likely serpentine

Serpentine-group minerals, chiefly antigorite, lizardite, or chrysotile; approximate formula Mg₃Si₂O₅(OH)₄

Red garnet crystal cluster

Most likely almandine garnet, Fe₃Al₂(SiO₄)₃; exact species cannot be confirmed from the image alone.

Carved serpentine pendant

Serpentine-group minerals, commonly antigorite/lizardite (Mg₃Si₂O₅(OH)₄), possibly mixed with chlorite or other inclusions

Tumbled serpentine

Serpentinite; chiefly antigorite, lizardite, and chrysotile Mg₃Si₂O₅(OH)₄

Likely rough feldspar crystal (possibly amazonite or orthoclase)

Potassium feldspar, KAlSi₃O₈; exact variety cannot be confirmed from the image

Raw garnet-rich metamorphic rock

Likely garnet-bearing schist or garnetite; garnet-group silicates, commonly almandine (Fe₃Al₂Si₃O₁₂)

Pink Feldspar

Orthoclase (KAlSi3O8)

Peach-colored feldspar fragment (likely orthoclase or microcline)

Potassium feldspar, KAlSi₃O₈

Feldspar

KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8

Potassium Feldspar (Orthoclase)

KAlSi3O8

Schorl (Black Tourmaline)

NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)

Pink feldspar fragment (probable orthoclase or microcline)

Potassium feldspar, KAlSi₃O₈

Sodalite

Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)

Pink potassium feldspar (likely massive orthoclase)

Orthoclase, KAlSi₃O₈ (possibly microcline; visual identification is uncertain)

Apatite

Ca5(PO4)3(F,Cl,OH)

Tumbled green stone, likely serpentine

Serpentine-group minerals, commonly antigorite or lizardite; approximate formula Mg₃Si₂O₅(OH)₄

Serpentine (likely serpentinite)

Serpentine-group minerals, chiefly antigorite, lizardite, and/or chrysotile; commonly with magnetite and minor brucite

Tumbled green stone, likely serpentine

Serpentine-group minerals, commonly antigorite or chrysotile; approximate formula Mg₃Si₂O₅(OH)₄

Mica / Muscovite or Biotite

Phyllosilicate mineral group (e.g., KAl2(AlSi3O10)(OH)2)

Garnet

Silicate mineral group (often Pyrope or Almandine in this color range)

Black Tourmaline (Schorl)

Schorl (NaFe2+3Al6(BO3)3Si6O18(OH)4)

Biotite (Mica)

Biotite - K(Mg,Fe)3AlSi3O10(F,OH)2

Pink-orange mineral fragment, likely feldspar (possibly potassium feldspar)

Likely orthoclase or microcline, KAlSi₃O₈; identification from the image is uncertain

Tumbled serpentine-rich stone

Serpentinite, commonly dominated by antigorite, lizardite, or chrysotile

Tourmaline

Schorl (Complex boron silicate, NaFe3Al6(Si6O18)(BO3)3(OH)4)

Likely feldspar (weathered potassium feldspar)

K-feldspar, commonly orthoclase or microcline; KAlSi₃O₈