igneous
Dalmatian Jasper
Feldspar-Quartz Microgranite
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, cream to beige color with distinct black spots, vitreous to dull luster, microcrystalline structure.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, cream to beige color with distinct black spots, vitreous to dull luster, microcrystalline structure.
Formation & geological history
Formed from cooling magmatic intrusions, often found as microgranite or pegmatite in ancient volcanic regions.
Uses & applications
Popularly used for tumbled stones, ornamental carvings, beaded jewelry, and holistic crystal collections.
Geological facts
Despite its trade name 'jasper', it is actually a type of microgranite containing quartz, feldspar, and dark tourmaline or arfvedsonite inclusions.
Field identification & locations
Easily identified by its characteristic spotted Dalmatian dog pattern; primarily sourced from Chihuahua, Mexico.
