Mica Schist
Crystalline Schist (often containing Muscovite, Biotite, and Quartz)
metamorphic
Category
Sedimentary Or Metamorphic Derived
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Milky Quartz with Iron Inclusions
Quartz (Silicon Dioxide, SiO2)
mineral
Schist
Mica Schist (Metamorphic Rock)
metamorphic
Micaceous Schist
Mica Schist (primarily Muscovite or Biotite KAl2(AlSi3O10)(OH)2)
metamorphic
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Green Aventurine
Aventurine Quartz (SiO2 with inclusions of Fuchsite)
metamorphic
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Mica Schist
Mica Schist (Composition: Muscovite, Biotite, Quartz, Feldspar)
metamorphic
Jasper
Silicon dioxide (SiO2)
sedimentary
Hematite
Iron (III) oxide (Fe2O3)
mineral
Mica Schist
Mica Schist (Schistose metamorphic rock rich in Muscovite/Biotite)
metamorphic
Red Jasper
Jasper (Silicon Dioxide Si₂O₃)
sedimentary
Anthracite Coal
Anthracite (Carbon-based sedimentary-derived metamorphic rock)
metamorphic
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Quartz Vein in Sedimentary Matrix
Silicon Dioxide (SiO2) with host rock
mineral
Anthracite Coal
Anthracite (Carbon Content: 86%-97%)
metamorphic
Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2)
metamorphic
Mica Schist
Mica Schist (primarily Muscovite or Biotite KAl2(AlSi3O10)(OH)2)
metamorphic
Hematite
Iron(III) oxide (Fe2O3)
mineral
Green Aventurine
Silicon dioxide (SiO2) with fuchsite inclusions
mineral
Ruby in Zoisite
Zoisite with Corundum (Ca2Al3(SiO4)(Si2O7)O(OH) + Al2O3)
metamorphic
Rhodonite
Manganese silicate (MnSiO3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
mineral
Mica Schist
Mica Schist (Composition typically contains Muscovite: KAl2(AlSi3O10)(OH)2 or Biotite: K(Mg,Fe)3AlSi3O10(OH)2 along with Quartz and Feldspar)
metamorphic
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Greenschist / Migmatite
Regional Metamorphic Complex (Facies: Greenschist to Amphibolite)
metamorphic
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite mica (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Quartz Vein in Host Rock (Likely Slate or Shale)
Hydrothermal Quartz (SiO2) in Pelitic host rock
metamorphic
Red Jasper
Jasper (Silicon Dioxide, SiO2)
mineral
Unidentifiable Rock Fragment
Uncertain
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Ruby in Zoisite
Anyolite (composite of Corundum Al2O3 and Zoisite Ca2Al3(SiO4)(Si2O7)O(OH))
metamorphic
Mica Schist
Schist (Muscovite/Biotite Schist)
metamorphic
Yellow Agate
Agate (Varietal form of Chalcedony/Quartz, SiO2)
mineral
Mica Schist (with Garnet)
Garnet-Mica Schist
metamorphic
Mica Schist with Quartz
Crystalline Schist (SiO2 + KAl2(AlSi3O10)(OH)2)
metamorphic
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH)
mineral
Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2)
metamorphic
Clear Quartz Sphere
Quartz (Silicon Dioxide, SiO2)
mineral