Pezzottaite Mineral Data

General Pezzottaite Information
Chemical Formula:	Cs(Be2Li)Al2Si6O18
Composition:	Molecular Weight = 658.80 gm
	Cesium 14.93 % Cs 15.83 % Cs₂O
	Potassium 0.06 % K 0.07 % K₂O
	Rubidium 0.52 % Rb 0.57 % Rb₂O
	Sodium 1.40 % Na 1.88 % Na₂O
	Lithium 0.99 % Li 2.13 % Li₂O
	Beryllium 4.19 % Be 11.62 % BeO
	Aluminum 8.35 % Al 15.79 % Al₂O₃
	Silicon 25.58 % Si 54.72 % SiO₂
	Hydrogen 0.03 % H 0.27 % H₂O
	Oxygen 43.96 % O
	______ ______
	100.00 % 102.88 % = TOTAL OXIDE
Empirical Formula:	Cs_0.74Rb_0.04K_0.01Na_0.4Be_3.06Li_0.94Al_2.04Si₆O₁₈(H₂O)_0.1
Environment:	Late-stage pocket mineral formed in a granitic pegmatite. Beryl group
IMA Status:	Approved IMA 2004 (Dana # Added)
Locality:	Sakavalana pegmatite, located 25 km south of the village of Mandosonoro, SW of Antsirabe, Fianarantsoa province, central Madagascar. Link to MinDat.org Location Data.
Name Origin:	Named for Federico Pezzotta of the Museo Civico, Milano, Italy for his work on the granitic pegmatites of Madagascar.
Synonym:	IMA2003-022