Harmotome Mineral Data

General Harmotome Information
Chemical Formula:	(Ba,Na,K)1-2(Si,Al)8O16•6(H2O)
Composition:	Molecular Weight = 704.93 gm
	Potassium 0.55 % K 0.67 % K₂O
	Barium 15.58 % Ba 17.40 % BaO
	Sodium 0.65 % Na 0.88 % Na₂O
	Aluminum 7.66 % Al 14.46 % Al₂O₃
	Silicon 23.91 % Si 51.14 % SiO₂
	Hydrogen 1.72 % H 15.33 % H₂O
	Oxygen 49.93 % O
	______ ______
	100.00 % 99.89 % = TOTAL OXIDE
Empirical Formula:	Ba_0.8Na_0.2K_0.1Al₂Si₆O₁₆•6(H₂O)
Environment:	Alteration product of basalt and similar eruptive rocks.
IMA Status:	Valid Species (Pre-IMA) 1801
Locality:	Bodenmais in Bavaria, Germany. Link to MinDat.org Location Data.
Name Origin:	From the Greek harmos - "I combine" and temseis - "I cut" alluding to the fact that the pyramid divides parallel to the plane that passes through the terminal edges.
Name Pronunciation:	Harmotome + Pronunciation
Synonym:	Andreasbergolite
	Andreolite
	Barytkreuzstein
	ICSD 15460
	Kurtzite
	PDF 39-1377
	Wellsite - Ca bearing