Metamorphic Rock (Composed Of Multiple Minerals)

Gneiss

Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Mica/Amphibole)

Bauxite

Bauxite (Al(OH)3, AlO(OH), AlOOH)

Serpentinite

Serpentinite (composed largely of serpentine group minerals including antigorite, lizardite, and chrysotile)

Dalmatian Stone

Dalmatian Jasper (Aplitic Rock)

Quartzite Pebble

Quartzite (SiO2)

Red Sandstone

Arenite with Iron Oxide (Hematite) cement

Serpentinite

Serpentinite (composed primarily of serpentine group minerals including antigorite, chrysotile, and lizardite)

Nuummite

Nuummite (Orthoamphibole rock composed of Anthophyllite and Gedrite, (Mg,Fe)7Si8O22(OH)2)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Serpentinite (Serpentine Rock)

Primarily composed of serpentine group minerals, such as antigorite, chrysotile, and lizardite. Chemical formula for serpentine minerals is (Mg,Fe)3Si2O5(OH)4.

Quartzite Pebble

Metamorphic Rock (composed mainly of SiO2)

Mica Schist

Mica Schist (predominantly composed of Muscovite or Biotite silicates)

Sandstone (Tumbled/River Pebble)

Arenite (composed primarily of SiO2)

Vesicular Basalt

Basalt (Mafic volcanic rock)

Banded green stone, likely serpentinite

Serpentinite (rock composed chiefly of serpentine-group minerals; exact identification requires testing)

Dark green metamorphic rock, likely serpentinite

Serpentinite, composed mainly of serpentine-group minerals (antigorite, lizardite, or chrysotile), commonly with magnetite and minor chlorite/talc

Likely blue-gray slate

Slate, a fine-grained metamorphic rock composed mainly of mica-group minerals and quartz

Marble (White)

Metamorphosed Limestone (mainly CaCO3)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals, e.g., Antigorite, Lizardite, or Chrysotile)

Dalmatian Jasper

Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite

Kambaba Jasper (Crocodile Jasper)

Stromatolitic Rhyolite/Jasper (SiO2)

Granite

Granite

Likely serpentinite (rough green serpentinite rock)

Serpentinite, composed mainly of serpentine-group minerals (e.g., antigorite, lizardite, and chrysotile)

Dalmation Stone

Peralkaline Rock (SiO2 with Arfvedsonite)

Limonite/Goethite on Shale

Hydrous ferric oxides (FeO(OH)·nH2O) often associated with argillaceous rock

Dalmatian Stone

Dalmatian Jasper (Aplitic Perthite)

Sandstone (Red)

Arenite (composed primarily of SiO2)

Greenstone

Metabasalt (composed mainly of chlorite, epidote, and actinolite)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Veined Pebble (likely a Quartz-Veined Pebble)

Pebble with Mineral Vein (e.g., Quartz Vein in a Chert/Mudstone Pebble)

Likely tumbled greenstone (identity uncertain)

Greenstone: metamorphosed mafic volcanic rock, commonly composed of chlorite, actinolite, and epidote

Pink granite (likely weathered granite)

Granite, composed mainly of quartz, feldspar, and mica

Granite

Felsic intrusive igneous rock

Red Sandstone

Arenite (primarily Quartz with Hematite cement)

Sandstone

Arenite (composed primarily of SiO2)

Bumblebee Jasper

Carbonate-rich volcanic rock containing Sulfur and Arsenic (Realgar/Orpiment)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg, Fe)3Si2O5(OH)4)

Red Sandstone

Clastic sedimentary rock (primarily Quartz with Hematite)

Dyed Dalmatian Stone

Aplite (Alkali-feldspar granite) with Arfvedsonite

Bauxite

AlOx(OH)3-2x (mixture of Gibbsite, Boehmite, and Diaspore)

Dalmatian Jasper

Peralkaline Quartz-Feldspar Rock with Arfvedsonite

Lapis Lazuli

Lapis Lazuli (A metamorphic rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)