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UM-1990-79 formula

Posted by Łukasz Kruszewski

Łukasz Kruszewski

UM-1990-79 formula
November 07, 2009 01:59PM

Registered: 3 years ago
Posts: 571

There's again an error in the formula of recently added phase of the eudialyte group. I would suggest changing it into:

Na₁₄(Na,H₂O,K,Sr)Ca₅(Mg,Ca,Mn)(Mn,Na,Ce,La,Y)(Fe,Zr)₃Zr₃(Si,Nb,Al,Zr)₂(Si₃O₉)₂(Si₉O₂₇)₂(OH)_4-5Cl₅

Also, I think it would be good to point that this would be the first eudialyte group mineral containing essential Mg (not Fe, which is common in other representatives).

Regards,

Luke K.

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