Roumaite

(Nb,Ti)(Ca,Na,◻)3(Ca,REE)4(Si2O7)2(OH)F3

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sorosilicate mineral

Frequently Asked Questions

What is the chemical formula of Roumaite?
The chemical formula of Roumaite is (Nb,Ti)(Ca,Na,◻)3(Ca,REE)4(Si2O7)2(OH)F3.