THE MATERIAL LIBRARY
Rhodochrosite
A manganese carbonate gemstone.
Colors & patterns
Pink to rose red, frequently banded with white or cream.
Typical origins
Argentina is known for banded material; notable crystals also come from Colorado in the United States.
Hardness
3.5–4 on the Mohs scale.
Choosing & setting this material
Its soft banding is well suited to pendants. It scratches easily, has cleavage and reacts to acids; choose a protective setting.
Care & cleaning
Wipe gently with a soft, slightly damp cloth and dry promptly. Avoid soaking, acids, solvents, steam and ultrasonic cleaning. Store separately to protect the surface.
Origins above describe typical sources of the material, not the origin of an illustrated or stocked stone. Hardness measures scratch resistance, not resistance to breaking. Confirm the identity and treatments of the actual piece.
Further reading: Material reference · GIA: gem treatments