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TANZANITE (ZOISITE) IDENTIFICATION, QUALITY AND VALUE.

TANZANITE (ZOISITE) IDENTIFICATION, QUALITY AND VALUE.

TANZANITE (ZOISITE) IDENTIFICATION, QUALITY AND VALUE.

Tanzanite is a hydrous calcium aluminum silicate mineral. It was named after Austrian scientist Sig-mund von Zois (1747-1819), who...

Mar 5, 20222 min read

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