Mineral Based Composite

Basalt with Quartz/Calcite Veins

Basalt (Aphanitic Mafic Igneous Rock)

Muscovite Mica

Muscovite (KAl₂(AlSi₃O₁₀)(F,OH)₂))

Limonitic Scoria (Vesicular Basalt with Iron Staining)

Highly vesicular basalt heavily stained by Limonite [FeO(OH)·nH2O]

Granite (specifically Pink or Red Granite)

Phaneritic Felsic Igneous Rock (Granite)

Gneiss (with Mica and Quartz)

Gneissic Metamorphic Rock

Ferruginous Sandstone

Arenite with Iron Oxide cement (Fe2O3 / FeO(OH))

Granite (Weathered)

Plutonic Igneous Rock (Granitic)

Red Rhyolite Porphyry

Rhyolite (Porphyritic texture)

Slag (Industrial By-product)

Glassy silicate or metallic smelting residue

Limonite (Iron-rich Siltstone / Sandstone base)

Hydrous ferric oxide mixture (FeO(OH)·nH2O)

Diorite (Salt and Pepper Rock)

Phaneritic Plutonic Diorite; chemical composition roughly 52-63% silica (SiO2)

Milky Quartz with Schist Matrix

Silicon Dioxide (SiO2) with Mica Schist Matrix

Fuchsite in Quartz (or Emerald in Fuchsite / Verdite)

Chromian Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2) in Quartz Matrix

Basalt

Basalt; fine-grained mafic volcanic rock composed mainly of plagioclase and pyroxene, commonly with olivine

Dark gray igneous rock, likely basalt

Basalt; fine-grained plagioclase–pyroxene rock, commonly with minor olivine and magnetite

Diorite

Diorite (Intermediate intrusive igneous rock)

Basalt with Quartz Veins

Basalt (complex silicate) with Quartz (SiO2) intrusions

Mica Schist with Biotite or Muscovite

Metamorphic rock rich in sheet silicates

Biotite Mica

Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)

Caliche (also known as hardpan, calcrete, kankar)

Primarily composed of calcium carbonate (CaCO₃), often mixed with other minerals like quartz, clay minerals, and iron oxides.

Weathered vesicular basalt (probable)

Basalt; primarily plagioclase, clinopyroxene, and iron-rich olivine, with secondary weathering minerals

Basalt

Basalt (Aphanitic Mafic Volcanic Rock)

Graphite

Graphite (Carbon, C)

Aquamarine with Sunstone

Aquamarine (Be3Al2Si6O18), Sunstone (Na,Ca)Al(Si,Al)Si2O8

Mica (likely Muscovite)

Muscovite / KAl2(AlSi3O10)(OH)2

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3 inclusions)

Serpentine

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

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Basalt (with possible fine-grained mineralization)

Basalt (Mafic Extrusive Igneous Rock)

Greenstone (Greenschist)

Greenschist facies rock (containing chlorite, epidote, actinolite)

Granite

Phaneritic plutonic rock (composed of Quartz, Feldspar, and Mica/Amphibole)

Dragon Blood Jasper

Epidote with Red Jasper inclusions (SiO2 and Ca2(Al,Fe)3(SiO4)3(OH))

Sandstone (Grooved/Weathered)

Arenite (composed primarily of Quartz and Lithic fragments)

Basalt

Mafic volcanic rock (formula varies by mineral content: Ca-plagioclase, Pyroxene, Olivine)

Fossil Coral (Favosites Honeycomb)

Favosites (Genus), Phylum Cnidaria, Class Anthozoa

Soapstone

Steatite (composed primarily of Talc: Mg3Si4O10(OH)2)

Diorite

Diorite (Intermediate intrusive igneous rock)

Basalt with Quartz/Calcite Vein

Amygdaloidal Basalt (matrix) with Mineral Vein filling

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic Volcanic Rock)

Mica Schist

Mica Schist (Composition typically includes Muscovite KAl2(AlSi3O10)(OH)2 and Quartz SiO2)

Basalt

Vesicular Basalt (Mafic volcanic rock)