Brucite and Astrophyllite Transparency
Similar to their colors, Brucite and Astrophyllite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Brucite is TransparentMichael OâDonoghue, Gems and Sixth Edition (2006) while Brucite is TransparentMichael OâDonoghue, Gems and Sixth Edition (2006) in appearance.