Mccrillisite Mineral Data

General Mccrillisite Information
Chemical Formula:	NaCs(Be,Li)Zr2(PO4)4•1-2(H2O)
Composition:	Molecular Weight = 753.75 gm
	Cesium 17.63 % Cs 18.69 % Cs₂O
	Sodium 3.05 % Na 4.11 % Na₂O
	Lithium 0.23 % Li 0.50 % Li₂O
	Zirconium 24.21 % Zr 32.70 % ZrO₂
	Beryllium 0.90 % Be 2.49 % BeO
	Phosphorus 16.44 % P 37.66 % P₂O₅
	Hydrogen 0.40 % H 3.59 % H₂O
	Oxygen 37.15 % O
	______ ______
	100.00 % 99.73 % = TOTAL OXIDE
Empirical Formula:	NaCsBe_0.75Li_0.25Zr₂(PO₄)₄•1.5(H₂O)
Environment:	It occurs in open cavities up to several centimeters across and formed as a result of late-stage hydrothermal alteration of earlier formed Zr-bearing minerals.
IMA Status:	Approved IMA 1992
Locality:	Mount Mica granite pegmatite, South Paris, Oxford County, Maine, USA. Link to MinDat.org Location Data.
Name Origin:	In honor of the late Dean McCrillis and his son, Philip.
Name Pronunciation:	Mccrillisite + Pronunciation
Synonym:	IMA1991-023