sedimentary

Leopard Skin Jasper

Silicon Dioxide (SiO2) with various inclusions

AI-generated identification · may be incorrect

Hardness: 6.5-7 on the Mohs scale; Color: Multi-colored with spotted patterns of orange, tan, and brown; Luster: Vitreous to waxy; Crystal Structure: Trigonal (microcrystalline); Cleavage: None; Specific Gravity: 2.58-2.91

Hardness: 6
Luster: Vitreous to waxy

Identified May 3, 2026More sedimentary →

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Physical properties

Formation & geological history

Formed through the infiltration of silica-rich fluids into volcanic ash or sedimentary rocks over millions of years, often associated with the silicification of volcanic ash during the Proterozoic or Paleozoic eras.

Uses & applications

Primarily used for lapidary work, jewelry (cabochons and beads), ornamental carvings, and as a popular metaphysical or collector's stone.

Geological facts

The 'spots' that give it the leopard-like appearance are actually orbicular inclusions of various minerals like iron or manganese; it is a variety of orbicular jasper specifically valued for its distinct animal-print patterns.

Field identification & locations

Identify in the field by its hardness (cannot be scratched by a steel knife), smooth waxy feel when tumbled, and characteristic spotted or 'orbicular' pattern. It is commonly sourced from Mexico, Brazil, and parts of Africa.