Rock Identifier
Bumblebee Jasper (Fibrous Calcite with Sulfur, Arsenic, and Volcanic Ash) — mineral
mineral

Bumblebee Jasper

Fibrous Calcite with Sulfur, Arsenic, and Volcanic Ash

AI-generated identification · may be incorrect

Hardness of 5 on the Mohs scale, vibrant yellow, orange, and black bands, vitreous to earthy luster, microcrystalline structure.

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Physical properties

Hardness of 5 on the Mohs scale, vibrant yellow, orange, and black bands, vitreous to earthy luster, microcrystalline structure.

Formation & geological history

Formed in fumaroles and volcanic vents, primarily around Mt. Papandayan in West Java, Indonesia.

Uses & applications

Primarily used for cabochons, polished decorative display pieces, and mineral collections.

Geological facts

Despite its name, it is not a true jasper; it contains significant amounts of toxic arsenic sulfide minerals.

Field identification & locations

Identified by its striking yellow and black coloration mimicking bumblebee stripes; handle with care due to mineral toxicity.