Wood Stone (Dragon Stone variant)
Argillaceous Sedimentary Rock
sedimentary
Category
Man Made Rock (Technosol)
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Greenschist
Greenschist facies rock
Metamorphic
Gabbro
Plutonic mafic rock
igneous
Coal (Bituminous)
Sedimentary carbonaceous rock
sedimentary
Gneiss
Gneissic Metamorphic Rock
metamorphic
Volcanic Tuff (Breccia)
Pyroclastic Tuffaceous Rock
igneous
Slate
Foliated metamorphic rock
metamorphic
Granite
Felsic Plutonic Rock
igneous
Peridotite
Peridotite (Ultramafic Rock)
igneous
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Lapis Lazuli
Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2
metamorphic
Sandstone
Arenite (SiO2 principal)
sedimentary
Druzy Quartz Geode (Vug)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Black basalt (likely polished or cut fragment)
Basalt; fine-grained mafic volcanic rock composed mainly of plagioclase, clinopyroxene, and often olivine or magnetite
igneous
Granite
Phaneritic plutonic rock (Quartz, Feldspar, Mica)
igneous
Sandstone
Arenite (SiO2 based)
sedimentary
Unakite
Unakite (metamorphosed granite)
metamorphic
Banded Sedimentary Rock
Sedimentary rock with Liesegang banding
sedimentary
Milky quartz–rich rock
Quartz (SiO₂), likely massive milky quartz with minor dark inclusions
mineral
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Sandstone Pebble
Arenite (primarily SiO2)
sedimentary
Quartz with impurities or Host Rock
SiO2 (Silicon Dioxide) with mixed silicates
mineral
Larvikite cabochon
Larvikite, a feldspar-rich monzonitic intrusive rock; commonly containing blue labradorescent alkali feldspar, nepheline, and dark pyroxene/biotite
igneous
Rounded granite cobble
Granite; chiefly quartz, feldspar, and mica/amphibole
igneous
Ferruginous Sandstone
Arenite with Iron-oxide cement (composed of Quartz and Limonite/Hematite)
sedimentary
Vesicular Basalt
Extrusive Mafic Igneous Rock (Vesicular Basalt)
igneous
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Sandstone (with Quartz veining)
Arenite (primarily SiO2)
sedimentary
Weathered basaltic cobble
Basalt, likely amygdaloidal or vesicular basalt
igneous
Dark river pebble (likely basalt or andesite)
Fine-grained mafic/intermediate volcanic rock; commonly basalt (plagioclase ± pyroxene/olivine)
igneous
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Sandstone River Pebble
Arenite (SiO2 based)
sedimentary
River Pebble (Basalt or fine-grained Quartzite)
Fine-grained Mafic Rock (Volcanic Basalt)
igneous
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Granite Pebble
Granite (composed primarily of Quartz SiO2, Feldspar KAlSi3O8, and Biotite/Hornblende)
igneous
Chert (Flint) with Limestone Matrix
Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)
sedimentary
Quartzite River Rock
Metamorphosed Quartz-rich Sandstone (SiO2)
metamorphic
Quartzite River Rock
Metamorphic Quartzite (primarily SiO2)
metamorphic
Basalt
Basalt (Mafic volcanic rock)
igneous
Sandstone
Sandstone (clastic sedimentary rock, composed predominantly of sand-sized minerals or rock fragments)
Sedimentary Rock