mineral
Bumblebee Jasper
Fibrous Calcite with Sulfur and Arsenic Inclusions
AI-generated identification · may be incorrectMohs hardness of 5, vibrant bands of yellow, orange, and black, vitreous to dull luster, triclinic/monoclinic system.
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Physical properties
Mohs hardness of 5, vibrant bands of yellow, orange, and black, vitreous to dull luster, triclinic/monoclinic system.
Formation & geological history
Formed in active volcanic fumaroles and hydrothermal vents on Mount Papandayan in West Java, Indonesia.
Uses & applications
Primarily cut and polished into cabochons for jewelry, spheres, and decorative ornamental items.
Geological facts
Despite its trade name, it is not a true jasper but a carbonate rock containing realgar, pyrite, and sulfur, requiring caution when cutting due to toxicity.
Field identification & locations
Easily identified by its striking yellow and black hornet-like banding; found exclusively in Indonesia.
