Igneous, Sedimentary, Metamorphic, And Mineral

Slate

Slate (Metamorphic Rock)

Ruby in Zoisite

Anyolite (Zoisite with Corundum) Member of the Epidote Group

River Rocks (Basalt and Sedimentary Stones)

Mafic Igneous Rock (Basalt) and Clastic Sedimentary Rock

Serpentine

Serpentinite (a rock composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite; general formula (Mg, Fe)3Si2O5(OH)4)

Mica (specimen appears to be Muscovite or Phlogopite)

Phyllosilicate mineral; Muscovite: KAl2(AlSi3O10)(F,OH)2

Greenstone

Metabasalt / Greenschist facies rock

Dumortierite Quartz

Al7BO3(SiO4)3O3 (Aluminum borate silicate)

Hematite (Iron Ore)

Hematite (Fe2O3)

Almandine Garnet

Almandine, Fe3Al2(SiO4)3

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Rhodonite

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

Rhodonite

Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn,Fe,Mg,Ca)SiO3

Marble

Recrystallized Calcite (CaCO3)

Kyanite in Quartz

Kyanite (Al2SiO5) with Quartz (SiO2) matrix

Muscovite Schist with Quartz

KAl2(AlSi3O10)(OH)2 in Schistose matrix

Dalmatian Jasper (or Dalmatian Stone)

Dalmatian Stone (A peralkaline felsite composed of feldspar, quartz, and sodic amphibole)

Granite

Granite (a broadly defined plutonic igneous rock, often more specifically classified as quartz monzonite or granodiorite based on precise mineral percentages)

Epidote (Unakite variety)

Epidosite (Metasomatic rock containing Ca2(Al,Fe)3(SiO4)3(OH))

Yellow Jasper

Silicon Dioxide (SiO2)

Petrified Wood

Silicified Wood (primarily SiO₂ - Silicon Dioxide)

Jade

There are two distinct minerals classified as Jade: Jadeite (Na(Al,Fe3+)Si2O6) and Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2). Based on the image showing translucent, somewhat fibrous material, it is likely Nephrite.

Granite or Granitic Gneiss River Rock

Granite / Gneiss

Quartzite

Quartzite (primarily SiO2)

Tiger's Iron

Pseudomorphic Quartz Aggregate (contains SiO2 with Fe2O3 and FeOOH)

Amethyst

SiO2 (Silicon Dioxide)

Rough Emerald

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Marble (White)

Metamorphosed Limestone (mainly CaCO3)

Garnet (likely Pyrope or Almandine)

Garnet Group (complex nesosilicate minerals, e.g., Pyrope Mg3Al2(SiO4)3, Almandine Fe3Al2(SiO4)3, Spessartine Mn3Al2(SiO4)3, Grossular Ca3Al2(SiO4)3, Andradite Ca3Fe2(SiO4)3, Uvarovite Ca3Cr2(SiO4)3). The vivid red color in the image strongly suggests Pyrope or Almandine.

Petrified Wood

Silicified Wood (SiO2)

Zebra Jasper

Silicon Dioxide (SiO2) with various inclusions

Phyllite

Phyllite

Carnelian

Silicon Dioxide (SiO2) - variety of Chalcedony

Banded Agate (with small Geode cavity)

Silicon Dioxide (SiO2) - Chalcedony variety

Smoky Quartz and Chalcedony Geode Fragment

Silicon Dioxide (SiO2)

Banded Chalcedony (Agate)

Chalcedony (SiO2) - Cryptocrystalline Quartz

Fluorite

Calcium Fluoride (CaF2)

Quartz Druze on Matrix (Geode Fragment)

Quartz (Silicon Dioxide, SiO2)

Carnelian

Carnelian (Cryptocrystalline Quartz, SiO2)

Carnelian

Carnelian (SiO2, Silicon Dioxide with Iron Oxide impurities)

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Green Quartz (Aventurine)

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

Garnet in Schist (Polished Tower)

Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist