Mineral

Sandstone (with potential mineral staining/concretions)

Arenite (SiO2 based)

Epidote

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

Nephrite Jade

Nephrite

Banded Gneiss (River Rock/Pebble)

Gneiss (specifically a banded variety often found as a river rock)

Biotite Schist

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

Green Apatite on Albite

Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]

Epidote

Epidote - Ca2(Al2,Fe3+)3(SiO4)3(OH)

Synthetic Resin (Artificial Specimen)

Polyurethane or Polyester Resin

Granite

Phaneritic Plutonic Felsic Rock

Granite with Epidote

Granite, containing quartz, feldspar, and epidote

Potassium Feldspar (Orthoclase)

Orthoclase (KAlSi3O8)

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Basalt with Secondary Mineralization (Likely Zeolites or Calcite)

Aphanitic mafic volcanic rock with secondary mineral inclusions (e.g., CaAl2Si3O10·3H2O for Scolecite)

Schist

Schist (various mineralogical compositions including mica, chlorite, talc, etc.)

Banded Gneiss (Variety of Gneiss)

Gneiss (specifically, a variety exhibiting prominent banding; mineral composition can vary, but often contains quartz, feldspar, mica, and amphibole)

Fluorite

Calcium Fluoride (CaF2)

Yooperlite (Sodalite-bearing Syenite)

Sodalite-rich Syenite

Orthoclase Feldspar with Quartz

Orthoclase (KAlSi3O8)

Sandstone

Sandstone (composed primarily of sand-sized minerals or rock grains)

Granitic Gneiss

Gneiss (Metamorphic Rock)

Sandstone with Secondary Mineral Encrustation

Arenite with Silica/Calcite deposits (SiO2 or CaCO3)

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Shale

Shale (clastic sedimentary rock)

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Gneiss

Gneiss

Quartz Mineral

Silicon Dioxide (SiO2)

Quartz Mineral

Silicon Dioxide (SiO2)

Orthoclase Feldspar

Potassium aluminum silicate (KAlSi3O8)

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Gold Mineral

Native Gold (Au)

Drill Core Samples (Varied Lithology)

Multi-lithological core samples (containing potential granite, marble, and phyllite/schist sequence)

Fluorite

Calcium Fluoride (CaF2)

Apatite

Fluorapatite, Chlorapatite, and Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))

Gneiss

Gneiss

Pink Feldspar (Orthoclase)

Orthoclase Feldspar (KAlSi3O8)

Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color)

Calcite

Nephrite Jade

Nephrite

Spinosaurus fossil (permineralized bone)

Spinosaurus aegyptiacus (Calcium phosphate mineralized with silica/sediment)

Vesicular Basalt

Amygdaloidal Basalt (Mafic extrusive volcanic rock)

Gneiss

Gneiss

Quartz in Limonite-rich Matrix

Silicon Dioxide (SiO2) with Goethite/Limonite FeO(OH)·nH2O

Fossil Shark Tooth

Carcharodon or Carcharias fossil (Vertebrate Fossil)