Igneous And Metamorphic

Weathered Basalt with Iron Staining

Mafic Igneous Rock

Basalt

Mafic Igneous Rock

Basalt (with Iron Staining)

Mafic Igneous Rock

Basalt (Vesicular)

Basalt (Extrusive Igneous)

Basalt (Weathered)

Mafic Igneous Rock

Basalt

Mafic Igneous Rock

Basalt

Mafic Igneous Rock

Basalt

Mafic Igneous Rock

Vesicular Basalt

Mafic Igneous Rock

Diorite (River Cobble)

Intrusive Igneous Diorite

Basalt with Iron Oxidation

Mafic Igneous Basalt

Quartzite

Quartzite (primarily composed of SiO O₂)

Quartzite

Quartzite (primarily SiO2)

Quartz with Hematite Inclusions

Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3)

Milky Quartz

Silicon Dioxide (SiO2)

Quartzite

Quartzite (primarily SiO2)

Dalmation Stone (Dalmation Jasper)

Peralkaline rock (primarily Feldspar and Quartz with Arfvedsonite spots)

Green Quartzite

Metamorphic rock primarily composed of Silicon Dioxide (SiO2) with mineral inclusions like fuchsite or chlorite

Lapis Lazuli

Lazurite-dominated metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)

Banded Slate or Siltstone with Quartz/Calcite Veins

Protolith-derived Siltstone or Slate (varies based on degree of metamorphism)

Granite

Phaneritic plutonic rock (SiO2 range 65-75%)

Quartz (Iron-Stained)

Silicon Dioxide (SiO2)

Diorite

Intrusive Igneous Diorite

Diorite

Intrusive Igneous Diorite

Basalt

Basalt (Igneous Volcanic)

Porphyry (likely Porphyritic Andesite or Basalt)

Porphyritic Igneous Rock

Basalt

Mafic Igneous Basalt

Basalt

Mafic Igneous Rock

Basalt

Mafic Igneous Rock

Basalt

Mafic Igneous Rock

Basalt

Mafic Igneous Rock

Basalt River Stone

Basaltic Igneous Rock

Pink Quartzite

Quartzite (SiO2)

Serpentine (Serpentinite)

Serpentinite (complex of minerals including Antigorite, Lizardite, and Chrysotile); (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Serpentine

Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Amazonite

Microcline (KAlSi3O8) with Pb impurities

Grey Agate

Silicon Dioxide (SiO2) - variety: Agate/Chalcedony

Banded Agate

Cryptocrystalline Quartz (SiO2)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Tiger's Eye (Inlaid in a band)

SiO2 (Silicon Dioxide with Crocidolite inclusions)

Emerald in Matrix

Beryllium Aluminum Silicate (Be3Al2Si6O18) with Chromium/Vanadium impurities

Rutilated Quartz

Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions