Granitoid (Granite/Granodiorite)
Plutonic igneous rock (variable composition, primarily SiO2)
igneous
Category
Carved Stone
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Granite
Phaneritic plutonic rock (Felsic)
igneous
Witch Stone (Hag Stone)
Perforated Sedimentary Rock (Typically Sandstone or Limestone)
sedimentary
Carnelian
Quartz (SiO2)
gemstone
Granite
Phaneritic Felsic Igneous Rock
igneous
Granite
Granite (Mainly Quartz, Feldspar, and Mica)
igneous
Green Onyx (Carved Mushroom)
Calcite / Banded Calcite (often commercially sold as 'Mexican Onyx')
sedimentary
Polished Ocean Jasper
Orbicular Jasper (variety of Chalcedony/Quartz, SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Carved turquoise pendant
Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O
gemstone
Granite
Granite (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Agate
Agate (Cryptocrystalline Quartz)
mineral
Granodiorite River Pebble
Granodiorite
igneous
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica)
igneous
Carnelian Agate
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Chinese Writing Stone
Porphyritic Igneous Rock (Andalusite or Feldspar in Limestone/Basalt)
igneous
Septarian Nodule
Septarian Concretion
sedimentary
Sandstone (River Pebble)
Arenite / Quartzose Sandstone (primarily SiO2)
sedimentary
Greenstone (likely chlorite-rich metamorphic rock)
Chlorite-bearing greenschist; exact identification requires testing
metamorphic
Tumbled dark-green stone, possibly serpentine
Undetermined; serpentine-group rock (predominantly serpentine minerals) is a tentative visual identification
metamorphic
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Diorite (or Granite / Granodiorite)
Plutonic Igneous Rock (Intermediate to Felsic)
igneous
Malachite-Bearing Copper Ore
Cu2CO3(OH)2 (Malachite) in host rock
mineral
Sugilite
Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)
mineral
Carnelian Agate
Silicon Dioxide (SiO2)
mineral
Greenstone / Serpentinite
Serpentinite (composed largely of Serpentine group minerals, Mg3Si2O5(OH)4)
metamorphic
Green Aventurine
Quartz with fuchsite inclusions (SiO2)
mineral
Granodiorite
Granodiorite (Intermediate to Felsic Intrusive Rock)
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Diorite (possibly Orbicular Diorite or Porphyritic Diorite)
Intermediate Phaneritic Igneous Rock
igneous
Seven Chakra Bonded Stone
Bonded composite of Red Jasper, Carnelian, Tiger's Eye, Aventurine, Lapis Lazuli, Amethyst, and Clear Quartz
metamorphic
Granite
Granite (composed mainly of Quartz, Feldspar, and Mica)
igneous
Carnelian
SiO2 (Chalcedony variety)
gemstone
Sandstone
Clastic sedimentary rock (Quartz arenite)
sedimentary
Red Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
sedimentary
Granite
Phaneritic Felsic Igneous Rock
igneous
Citrine Quartz (or Heat-Treated Amethyst / Smoky Quartz)
Silicon Dioxide (SiO2)
gemstone
Tiger's Eye
SiO2
mineral
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)
mineraloid
Blue Quartz (Blue Aventurine)
Silicon Dioxide (SiO2) with inclusions (typically crocidolite or dumortierite)
mineral