mineral

Leopard Skin Jasper

SiO2 (Microcrystalline Quartz with inclusions)

Hardness: 6.5-7 on Mohs scale; Color: Cream, tan, brown, reddish, gray with dark orbicular spots; Luster: Vitreous to dull; Crystal structure: Trigonal (microcrystalline/cryptocrystalline); Cleavage: None; Specific gravity: ~2.6

Hardness: 6
Color: Cream, tan, brown, reddish, gray with dark orbicular spots
Luster: Vitreous to dull

Identified July 22, 2026More mineral →

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Physical properties

Formation & geological history

Formed in hydrothermal environments or sedimentary beds where silica-rich fluids permeate volcanic ash or sediments, absorbing various mineral impurities (iron, manganese) that form spotted orbicular patterns during crystallization.

Uses & applications

Used extensively as a decorative stone, tumbled gemstone, cabochons for jewelry, and in lapidary arts. Highly popular among rock collectors and holistic practitioners.

Geological facts

Leopard Skin Jasper gets its name from its distinct blotchy or spotted markings that closely resemble the fur pattern of a leopard or jaguar. Despite being called a jasper, it is technically an orbicular rhyolite in many geological contexts.

Field identification & locations

Identified by its distinctive rounded or orbicular spotted patterns set in a contrasting matrix. It polishes to a high shine and is widely found in Mexico, Brazil, South Africa, and Madagascar.

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