Dalmatian Jasper (Dyed Blue)
Peralkaline Rock with Arfvedsonite and Blue Dye
igneous
Category
Igneous Rock
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Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous
K2 Jasper (Beads)
Granodiorite with Azurite and Malachite
igneous
Dalmatian Stone
Dalmatian Jasper (actually a Peralkaline Igneous Rock)
igneous
Granite
Granitoid (SiO2 typically > 69%)
igneous
Weathered schist or gneiss fragment
Quartz–feldspar–mica metamorphic rock; likely mica schist or gneiss
metamorphic
Weathered granitic rock fragment
Granite, likely quartz–feldspar–mica aggregate
igneous
Pink granite fragment
Granite, chiefly quartz, alkali feldspar, plagioclase, and minor biotite/hornblende
igneous
Polished orbicular granite heart
Granite, commonly quartz–alkali feldspar–plagioclase–biotite granite; exact locality-dependent
igneous
Weathered granitic rock (likely granite or granodiorite)
Granite–granodiorite; primarily quartz, feldspar, and mica
igneous
Granite River Cobble
Granite
igneous
Dalmatian Stone
Peralkaline igneous rock containing quartz, feldspar, and arfvedsonite
igneous
Granite
Coarse-grained felsic intrusive rock, chiefly quartz, feldspar, and mica (biotite/muscovite)
igneous
Snowflake Obsidian
Volcanic glass (SiO2) with Cristobalite (SiO2) inclusions
igneous
Granite (Pink/Red)
Phaneritic Plutonic Felsic Rock (major minerals: Quartz, Orthoclase Feldspar, Plagioclase Feldspar)
igneous
Dalmation Jasper
Dalmation Stone (perthitic feldspar with arfvedsonite)
igneous
Dalmation Stone
Peralkaline rhyolite (SiO2 with Arfvedsonite/Riebeckite)
igneous
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica)
igneous
Dalmatian jasper
Quartz-bearing alkali feldspar syenite/porphyritic igneous rock, commonly marketed as Dalmatian jasper
igneous
Granite
Phaneritic plutonic igneous rock (typically 20% to 60% quartz by volume)
igneous
Black Granite (Basalt or Gabbro)
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Quartz-rich granite or pegmatitic rock
Granite, composed mainly of quartz, feldspar, and mica; exact identification is uncertain from the photograph
igneous
Granite
Granite (Felsic Intrusive)
igneous
Dalmatian Stone
Dalmatian Jasper (Aphanitic Igneous Rock with Arfvedsonite inclusions)
igneous
Granite
Granite
igneous
Rounded sandstone or siltstone cobble
Clastic sedimentary rock, likely quartz-rich sandstone (possibly fine-grained siltstone)
sedimentary
Quartz-rich metamorphic rock (probable quartzite)
Quartzite; predominantly crystalline SiO₂, with possible mica and iron-oxide impurities
metamorphic
Dyed Dalmatian Stone
Aplite (Alkali-feldspar granite) with Arfvedsonite
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Granite (Phaneritic Igneous Rock)
igneous
Dalmation Stone (Dalmation Jasper)
Peralkaline Rock with Feldspar and Arfvedsonite
igneous
Granite
Phaneritic Plutonic Felsic Rock
igneous
Dalmatian Stone
Dalmatian Jasper (Aplitic Rock)
igneous
Dalmatian Stone
Peralkaline Quartz-Feldspar Rock
igneous
Dalmatian Stone
Dalmatian Stone (Felsic Igneous Rock)
igneous
Greenstone / Greenschist
Greenschist (composed of Chlorite, Epidote, Actinolite)
metamorphic
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
igneous
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
igneous
Pink Granite
Felsic intrusive igneous rock (Quartz, K-feldspar, Plagioclase)
igneous
Rounded river cobble, likely quartzite
Quartzite (chiefly recrystallized quartz, SiO₂); exact identification is uncertain from the image
metamorphic
Granite
Granite (phaneritic felsic intrusive rock)
igneous
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous