Gainesite Mineral Data

General Gainesite Information
Chemical Formula:	Na2Zr2Be(PO4)4•1-2(H2O)
Composition:	Molecular Weight = 639.49 gm
	Cesium 2.08 % Cs 2.20 % Cs₂O
	Potassium 1.83 % K 2.21 % K₂O
	Sodium 5.75 % Na 7.75 % Na₂O
	Lithium 0.11 % Li 0.23 % Li₂O
	Calcium 0.63 % Ca 0.88 % CaO
	Zirconium 24.25 % Zr 32.76 % ZrO₂
	Beryllium 0.85 % Be 2.35 % BeO
	Iron 0.87 % Fe 1.12 % FeO
	Phosphorus 19.37 % P 44.39 % P₂O₅
	Hydrogen 0.47 % H 4.23 % H₂O
	Oxygen 43.78 % O
	______ ______
	100.00 % 98.12 % = TOTAL OXIDE
Empirical Formula:	Na_1.6K_0.3Cs_0.1Be_0.6Li_0.1Zr_1.7Fe²⁺_0.1Ca_0.1(PO₄)₄�1.5(H₂O)
Environment:	Accessory mineral in a granite pegmatite.
IMA Status:	Approved IMA 1983
Locality:	Nevel quarry, Newry, Oxford County, Maine, USA. Link to MinDat.org Location Data.
Name Origin:	Named for Richard Venable Gaines (1917-1999), American mineralogist, economic geologist, and mineral collector of Earlysville, Virginia, USA, for his interest in beryllium minerals.
Name Pronunciation:	Gainesite + Pronunciation
Synonym:	ICSD 31199
	PDF 35-604