Nabesite Mineral Data

General Nabesite Information
Chemical Formula:	Na2BeSi4O10•4(H2O)
Composition:	Molecular Weight = 391.84 gm
	Sodium 10.27 % Na 13.84 % Na₂O
	Beryllium 2.30 % Be 6.38 % BeO
	Silicon 28.67 % Si 61.34 % SiO₂
	Hydrogen 2.01 % H 17.93 % H₂O
	Oxygen 56.76 % O
	______ ______
	100.00 % 99.49 % = TOTAL OXIDE
Empirical Formula:	Na_1.75BeSi₄O₁₀•3.9(H₂O)
Environment:	Albite-lined cavities in within tugtupite-bearing albitites. 4-membered and 8-membered silicate rings; zeolite structure and is related to weinebeneite.
IMA Status:	Approved IMA 2000 (Dana # Added)
Locality:	Kvanefjeld Plateau, in the northwesternmost part of the Il�maussaq alkaline complex, South Greenland. Link to MinDat.org Location Data.
Name Origin:	Named after the elements in its composition, Natrium (Na), Beryllium (Be), and Silicon (Si).
Synonym:	IMA2000-024