Metamorphic

Mica Schist (with Muscovite)

Muscovite/Quartz Schist (KAl2(AlSi3O10)(OH)2)

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Yellow Aventurine

Silicon Dioxide (SiO2) with inclusions

Pyrite

Iron Sulfide (FeS2)

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Vesuvianite (Idocrase)

Ca19(Al, Mg, Fe)13(SiO4)10(Si2O7)4(OH, F, O)10

Blue Apatite

Fluoroapatite (Ca5(PO4)3F)

Hypersthene

Hypersthene (Magnesium Iron Silicate - (Mg,Fe)SiO3)

Sodalite

Na8(Al6Si6O24)Cl2

Biotite Schist

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

Biotite Schist

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

Phyllite

Phyllite (Foliated metamorphic rock)

Garnet Schist

Garnet-bearing Mica Schist (variety of compositions, often Al2SiO5 with X3Y2(SiO4)3)

Rhodonite

Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3

Diopside (likely Chromian Diopside)

Diopside, part of Clinopyroxene family of inosilicates. Chemical formula: CaMgSi2O6. The green variety is often Chromian Diopside due to chromium impurities.

Green Aventurine and Clear Quartz

Aventurine (variety of Quartz - SiO2) and Quartz (SiO2)

Jade

There are two distinct minerals commonly known as Jade: Jadeite (NaAlSi2O6) and Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2). Based on the appearance, these spheres are likely Nephrite.

Rhodonite

Rhodonite (MnSiO3)

Mica Schist with Pyrite

Muscovite/Biotite Schist with Iron Sulfide (FeS2)

Staurolite (Fairy Cross)

Staurolite (Fe2+2Al9Si4O23(OH))

Biotite Schist (likely)

Biotite Schist (rock), Biotite (mineral)

Magnetite

Magnetite (Fe3O4)

Peacock Ore

Bornite (Cu5FeS4)

Biotite (Mica)

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

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Mica

Phlogopite or Biotite group (KMg3(AlSi3O10)(F,OH)2 / K(Mg,Fe)3AlSi3O10(OH)2)

Epidote in Quartz (Epidosite)

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

Lapis Lazuli

Lapis Lazuli (Rock containing Lazurite, Calcite, and Pyrite)

Rhodonite

Rhodonite (Mn2+SiO3)

Yellow Aventurine (Yellow Quartzite)

Silicon Dioxide (SiO2) with inclusions

Yellow Aventurine

Quartz (Silicon Dioxide - SiO2) with inclusions of Mica

Green Kyanite

Kyanite (Al2SiO5)

Rhodonite

Manganese silicate (Mn,Fe,Mg,Ca)SiO3

Epidote

Epidote Group (e.g., Clinozoisite, Epidote, Piemontite), Epidote formula: Ca2(Al,Fe)3(SiO4)3(OH)

Muscovite Schist with Quartz

Mica Schist (KAl2(AlSi3O10)(OH)2)

Rhodonite (in matrix)

Rhodonite (Mn,Fe,Mg,Ca)SiO3

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Biotite Mica

K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2

Prase or Green Quartz

Silicon Dioxide (SiO2 with actinolite or chlorite inclusions)

Dyed Quartzite

Metamorphosed Quartz (SiO2) with synthetic pigment

Marble

Recrystallized Calcite / Dolomite (CaCO3)

Slate

Foliated Metamorphic Rock (Mainly composed of Quartz, Illite, Chlorite)