Marsturite Mineral Data

General Marsturite Information
Chemical Formula:	NaCaMn3[Si5O14(OH)]
Composition:	Molecular Weight = 609.31 gm
	Sodium 3.77 % Na 5.09 % Na₂O
	Calcium 6.58 % Ca 9.20 % CaO
	Manganese 27.05 % Mn 34.93 % MnO
	Silicon 23.05 % Si 49.31 % SiO₂
	Hydrogen 0.17 % H 1.48 % H₂O
	Oxygen 39.39 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	NaCaMn²⁺₃Si₅O₁₄(OH)
IMA Status:	Approved IMA 1978
Locality:	Franklin, Sussex County, New Jersey, USA. Link to MinDat.org Location Data.
Name Origin:	Named for Marion Stuart of Bellvue, Idaho, who has been a staunch supporter of the preservation of natural history specimens, particularly those of geological interest.
Name Pronunciation:	Marsturite + Pronunciation