Metamorphic Rock (Specifically A Rock Composed Of Minerals)

Ruby in Zoisite

Ruby (Corundum, Al2O3) in Zoisite (Calcium aluminum silicate hydroxide, Ca2Al3(SiO4)3(OH)) with some Hornblende

Green Aventurine

Silicon Dioxide (Quartz) with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)

Epidosite (Unakite-related)

Epidosite (composed primarily of Epidote and Quartz)

Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Gneiss (specifically Granitic Gneiss)

Gneiss (composed primarily of Quartz, Feldspar, and Biotite/Amphibole)

Sandstone (Graywacke)

Clastic Sedimentary Rock (Lithic Sandstone)

Dalmatian Stone

Dalmatian Jasper (Aplite rock composition)

Green Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2

Dalmation Jasper (or Dalmation Stone)

Dalmation Stone (composed of Perthite, Quartz, and Arfvedsonite)

Dalmatian Stone

Dalmatian Jasper (Aplitic Rock)

Green Aventurine

Aventurine Quartz (SiO2 with inclusions)

Schist

Schist

Brecciated Jasper

Silicon dioxide (SiO2) microcrystalline quartz breccia

Gneiss (specifically a Granitic Gneiss)

Gneiss (typically composed of Quartz, Feldspar, and Mica/Amphiboles)

Banded Rock (likely Quartz-rich)

Uncertain, likely a Metamorphic Rock (e.g., Gneiss or Schist) with prominent Quartz and other minerals

Bauxite (Laterite)

Hydrated aluminum oxides (Al2O3·nH2O)

Dalmatian Jasper

Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite

Gneiss (specifically a Banded Gneiss cobble)

Gneiss (composed mainly of Quartz, Feldspar, and Biotite/Amphibole)

Bauxite

Bauxite (Aluminum Ore)

Dalmatian Jasper

Peralkaline Quartz-Feldspar Rock with Arfvedsonite

Pebble

Clast (specifically a granule or small pebble)

Granite / Gneiss Ballast Rock

Granite (Quartzo-feldspathic rock)

Green Aventurine

Silicon Dioxide (Quartz) with Fuchsite inclusions (K(Al,Cr)2(AlSi3O10)(OH)2)

Dalmatian Jasper

Dalmatian Stone (Felsite with Arfvedsonite/Tourmaline)

Gneiss (specifically Biotite Gneiss)

Gneiss (high-grade metamorphic rock primarily composed of Silicates)

Lapis Lazuli (in Matrix)

Lazurite-bearing Metamorphic Rock (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2

Gneiss (specifically a Hornblende Gneiss or Micaceous Gneiss)

Gneiss (metamorphic rock composed primarily of quartz, feldspar, and mafic minerals)

Green Aventurine

Silicon Dioxide (Quartz variety) with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)

Gneiss Pebble

Gneiss

Lapis Lazuli

Lapis lazuli (Complex silicate rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)

Lapis Lazuli (Tumbled Specimen)

Lapis Lazuli (Aggregate rock containing Lazurite: (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)

Foliated Metamorphic Rock (likely Gneiss or Schist)

Gneissic Metamorphic Rock

Lapis Lazuli

Lapis Lazuli (Primary mineral: Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Veined Pebble (likely a Quartz-Veined Pebble)

Pebble with Mineral Vein (e.g., Quartz Vein in a Chert/Mudstone Pebble)

Tiger Iron

Tiger Iron (Composition: SiO2, Fe2O3, Fe3O4)

Fuchsite

K(Al,Cr)2(AlSi3)O10(OH)2

Serpentine (polished/tumbled)

Serpentine-group minerals, chiefly antigorite, Mg₃Si₂O₅(OH)₄

Marble

Recrystallized Calcite (CaCO3)

Quartz Pebble

Silicon Dioxide (SiO2)

Unakite

Epidotized Granite

Gneiss (specifically a Granitic Gneiss specimen)

Gneiss (high-grade metamorphic rock primarily composed of Quartz, Feldspar, and Biotite/Amphibole)

Jasper Conglomerate (Puddingstone)

Siliceous Conglomerate (Quartz and Jasper clasts in a fine-grained matrix)