Igneous, Sedimentary, And Metamorphic

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Gneiss

Gneiss

Gneiss

Gneiss (Metamorphic Rock)

Gneiss

Gneissic Metamorphic Rock

Gneiss (Metamorphic Pebble)

Gneissic Metamorphic Rock

Gneiss

Gneissic Metamorphic Rock

Green Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2

Quartz (Water-worn Pebbles)

Silicon Dioxide (SiO2)

Agate

Silicon Dioxide (Chalcedony), SiO2

Quartz Pebble

Silicon Dioxide (SiO2)

Gneiss

Gneiss (foliated metamorphic rock)

Gneiss

Gneiss (High-grade metamorphic rock)

Raw Garnet (Hessonite / Spessartine)

Silicate mineral group (X3Y2(SiO4)3)

Muscovite Mica

KAl2(AlSi3O10)(OH)2

Blue Apatite

Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)

Quartz with Mica inclusions (likely Schist or Gneiss host)

Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)

Quartz

Quartz (SiO2 - Silicon Dioxide)

Epidote

Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

Fluorite Bracelet

Calcium Fluoride (CaF2)

Gneiss

Gneiss

Gneiss

Gneiss (Metamorphic Rock)

Gneiss

Foliated Metamorphic Rock

Gneiss

Gneissic Metamorphic Rock

Epidote

Epidote (Ca2(Al,Fe)3(SiO4)3(OH))

Quartz Pebble

Silicon Dioxide (SiO2)

Banded Gneiss

Gneiss (Felsic to Mafic Metamorphic Rock)

Gneiss

Gneiss

Amphibolite / Biotite Schist

Amphibolite (rich in Hornblende and Plagioclase feldspar)

Banded Gneiss

Banded Gneiss (High-grade Metamorphic Rock)

Fuchsite Schist with Quartz

Chromian Muscovite [K(Al,Cr)2(AlSi3O10)(OH)2] Schist

Gneiss

Gneiss

Biotite Schist

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

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Gneiss (Granitic Gneiss)

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

Banded Gneiss

Gneiss (High-grade Metamorphic Rock)

Gneiss

Gneiss

Gneiss

Gneiss (High-grade metamorphic rock)

Gneiss

Gneiss (High-grade metamorphic rock)

Granite Gneiss

Granitic Gneiss

Gneiss

Gneiss

Gneiss (Cobble)

Gneiss

Gneiss

Gneiss (High-grade metamorphic rock)