Mcallisterite Mineral Data

General Mcallisterite Information
Chemical Formula:	Mg2B12O14(OH)12•9(H2O)
Composition:	Molecular Weight = 768.55 gm
	Magnesium 6.32 % Mg 10.49 % MgO
	Boron 16.88 % B 54.35 % B₂O₃
	Hydrogen 3.93 % H 35.16 % H₂O
	Oxygen 72.86 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	Mg₂B₁₂O₁₄(OH)₁₂•9(H₂O)
Environment:	Secondary mineral derived from colemanite and priceite veins in altered basalt.
IMA Status:	Approved IMA 1965
Locality:	Mott open cut, head of 20 Mule Team Canyon, Death Valley, Inyo Co., California. Link to MinDat.org Location Data.
Name Origin:	Named for James Franklin McAllister (1911-2000), geologist, U.S. Geological Survey, Menlo Park, California, USA, who collected the originally described material.
Name Pronunciation:	Mcallisterite + Pronunciation
Synonym:	ICSD 4423
	PDF 18-767