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Mexican Agate) is a banded chalcedony (microcrystalline quartz) that's infused with iron and aluminum and is often brightly coloured and complexly patterned.
Sometimes called "Happy Lace.” It is associated with sunny Mexican fiestas and dancing, and brings joy.

Hardness: 6-1/2 to 7 (Mohs)

Mineral Information: Microcrystalline quartz, banded chalcedony--often infused with i...

Chemical Composition: SiO2

Mexican Agate Heart