Carbonate (calcite group) · Magnesite

Magnesite

Magnesite is the dyed-white-stone trade's other workhorse, interchangeable with howlite in look but instantly separable by its extreme birefringence blink. Soft, porous and cheap, it belongs in fashion jewellery with clear dye disclosure.

Colour
yellow

Transparency
Opaque

RI
1.509–1.700

SG
3.00–3.20

Mohs
3.5–4.5

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Related gems

Ivory Glass — White (milk) Howlite Synthetic Opal — White

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