Nitromagnesite Mineral Data

Nitromagnesite Mineral Data +

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General Nitromagnesite Information

Chemical Formula:

Mg(NO3)2·6(H2O)

Composition:

Molecular Weight = 256.41 gm

Magnesium 9.48 % Mg 15.72 % MgO

Hydrogen 4.72 % H 42.16 % H₂O

Nitrogen 10.93 % N 42.12 % N₂O₅

Oxygen 74.88 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Mg(NO₃)₂·6(H₂O)

IMA Status:

Valid Species (Pre-IMA) 1835

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 23220

PDF 14-101

Nitromagnesite Image

Images:

Nitromagnesite

Comments: Tan crystalline nitromagnesite grain, deliquescent.
Location: Baume, Jura, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Nitromagnesite Crystallography

Axial Ratios:

a:b:c =0.4873:1:0.5192

Cell Dimensions:

a = 6.194, b = 12.71, c = 6.6, Z = 2; beta = 93° V = 518.88 Den(Calc)= 1.64

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/c

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.295(1), 2.925(0.75), 4.43(0.55),

Physical Properties of Nitromagnesite

Cleavage:

[110] Perfect

Color:

Colorless, White.

Density:

1.58

Diaphaniety:

Transparent

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Nitromagnesite

Gladstone-Dale:

CI meas= -0.031 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.007 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2748,KPDmeas= 0.2852,KC= 0.2767

Optical Data:

Biaxial (-), a=1.34, b=1.506, g=1.506, bire=0.1660, 2V(Calc)=0, 2V(Meas)=5.

Calculated Properties of Nitromagnesite

Electron Density:

r_electron=1.71 gm/cc
note: r_{Nitromagnesite}=1.64 gm/cc.

Fermion Index

Fermion Index = 0.11869
Boson Index = 0.88131

Photoelectric:

PE_{Nitromagnesite}= 0.52 barns/electron
U=PE_{Nitromagnesite} x r_electron= 0.89 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Nitromagnesite is Not Radioactive

Nitromagnesite Classification

Dana Class:

18.2.3.1 (18)Simple Nitrates

(18.2)where A (NO3)2 · x(H2O), x can equal zero

(18.2.3)Dana Group

18.2.3.1 Nitromagnesite Mg(NO3)2·6(H2O) P 2₁/c 2/m

Strunz Class:

V/A.02-30 V - Nitrates, Carbonates and Borates

V/A - Nitrates [NO3]1-

V/A.02 - Nitrocalcite - Nitromagnesite series

V/A.02-20 Nitrocalcite Ca(NO3)2·4(H2O) P 2₁/n 2/m

V/A.02-30 Nitromagnesite Mg(NO3)2·6(H2O) P 2₁/c 2/m

Other Nitromagnesite Information

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Nitromagnesite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Nitromagnesite

Mg(NO3)2·6(H2O)
Dana No: 18.2.3.1 Strunz No: V/A.02-30
Locality:

Notes: