Rock Identifier
Chrysanthemum Stone (Chrysanthemum Stone (Calcite/Celestite/Strontianite in Limestone)) — sedimentary
sedimentary

Chrysanthemum Stone

Chrysanthemum Stone (Calcite/Celestite/Strontianite in Limestone)

Hardness: 3-4 (flower) to 3-4.5 (matrix). Color: Black or dark grey matrix with white or light-colored flower-like crystals. Luster: Vitreous to dull.

Hardness
3-4 (flower) to 3-4
Luster
Vitreous to dull
Identified More sedimentary

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Physical properties

Hardness: 3-4 (flower) to 3-4.5 (matrix). Color: Black or dark grey matrix with white or light-colored flower-like crystals. Luster: Vitreous to dull.

Formation & geological history

Formed during the Permian period in shallow marine environments. The 'flowers' are formed by the replacement of minerals like celestite, calcite, or strontianite in a limestone or shale matrix.

Uses & applications

Primarily used as a decorative stone, carved into ornaments, cabochons, and beads. Highly prized by collectors for its unique floral patterns.

Geological facts

Named for its resemblance to chrysanthemum flowers. It is the official symbol of the Chinese Imperial family and is associated with longevity and good fortune.

Field identification & locations

Identified by its distinctive white, radiating, flower-like crystal clusters on a dark background. Commonly found in China, Japan, Canada, and the USA.