Mineral (Tectosilicate)

Rainbow Fluorite

Fluorite (Calcium Fluoride, CaF2)

Blue Apatite

Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)

Peridot (rough olivine crystals)

Olivine, chiefly forsterite–fayalite solid solution, (Mg,Fe)₂SiO₄; gem-quality olivine is called peridot

Weathered rock pebble, possibly quartz-rich sandstone

Uncertain from the image; likely quartz-bearing sandstone with iron-oxide staining

Marble

Recrystallized Calcite (CaCO3)

Granite

Granite, a coarse-grained felsic intrusive igneous rock composed chiefly of quartz, feldspar, and mica or amphibole

Fossilized Shark Tooth

Chondrichthyes (Class)

Quartz-rich pegmatite

Granitic pegmatite, composed mainly of quartz and feldspar with dark mica or other accessory minerals

Shark Tooth Fossil

Chondrichthyes (class) fossilized tooth

Amethyst

Quartz (Silicon Dioxide, SiO2)

Gneiss

Gneiss

Vein Quartz in Basalt

Silicate-veined volcanic rock

Rough red garnet crystal

Likely almandine garnet, Fe₃Al₂(SiO₄)₃; species cannot be confirmed from the image alone

Likely garnet-bearing rock, possibly a garnet crystal in matrix

Garnet, probably almandine (Fe₃Al₂(SiO₄)₃), on a dark metamorphic host rock

Blue apatite rough

Apatite-group calcium phosphate, commonly fluorapatite (Ca₅(PO₄)₃F)

Blue Apatite

Calcium phosphate fluorapatite, Ca5(PO4)3(F,Cl,OH)

Chrysocolla on Matrix

Hydrated copper silicates ((Cu,Al)2H2Si2O5(OH)4·nH2O)

Corundum

Aluminium oxide (Al2O3)

Quartz Mineral

Silicon Dioxide (SiO2)

Unknown Rock Fragment

Unknown

Likely garnet-bearing rock (possibly almandine garnet in matrix)

Garnet, likely almandine (Fe₃Al₂Si₃O₁₂); host rock cannot be determined from the image

Hematite

Iron(III) oxide (Fe2O3)

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Rounded pink-gray granite pebble

Granite, a coarse-grained felsic intrusive igneous rock

Green serpentine (likely serpentinite)

Serpentine-group minerals, commonly antigorite, lizardite, and/or chrysotile; rock name: serpentinite

Green-and-white rough mineral specimen, possibly amazonite

Unconfirmed; possible amazonite, a green variety of microcline feldspar (KAlSi₃O₈)

Petrified Wood

Silicified wood (SiO2)

Banded gneiss pebble

Feldspar–quartz gneiss; exact mineral composition cannot be confirmed from the image

Drill Core Samples (Varied Lithology)

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

Fluorite and Mineral Collection

Calcium Fluoride (CaF2)

Almandine garnet crystal

Almandine, an iron-aluminum garnet; ideal formula Fe₃Al₂(SiO₄)₃

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Pink-orange mineral fragment, likely feldspar (possibly potassium feldspar)

Likely orthoclase or microcline, KAlSi₃O₈; identification from the image is uncertain

Weathered granite (likely)

Granite, a coarse-grained felsic intrusive igneous rock composed chiefly of quartz, feldspar, and mica

Chlorite-rich schist (probable greenschist)

Greenschist-facies metabasalt or chlorite–actinolite schist

Fossil bone, possibly a large mammal long-bone fragment

Fossilized cortical bone; taxon indeterminate from the photograph

Shark Tooth Fossil

Vertebrate fossilized tooth (various genera such as Carcharodon, Otodus, or Negaprion)

Granite

Phaneritic Plutonic Felsic Rock

Rhodochrosite

Manganese Carbonate (MnCO3)

Likely rough garnet-bearing rock

Possibly almandine garnet in a metamorphic host; exact identification is uncertain from this photograph

Pyrite with Quartz

Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)

Amethyst

Amethyst (Silicon Dioxide, SiO2)