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Nitromagnesite

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About NitromagnesiteHide

Formula:
Mg(NO3)2 · 6H2O
Colour:
Colourless to white
Lustre:
Vitreous
Specific Gravity:
1.46
Crystal System:
Monoclinic
Name:
In allusion to the composition, being a NITRate of MAGNESIum.
This page provides mineralogical data about Nitromagnesite.


Classification of NitromagnesiteHide

Approved, 'Grandfathered' (first described prior to 1959)
5.NC.05

5 : CARBONATES (NITRATES)
N : NITRATES
C : With H2O
Dana 7th ed.:
18.2.3.1
18.2.3.1

18 : NORMAL NITRATES
2 : A(XO3)2·xH2O, where x can equal zero
13.4

13 : Nitrates

Physical Properties of NitromagnesiteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless to white
Cleavage:
Perfect
On {110}.
Density:
1.46 g/cm3 (Measured)    

Optical Data of NitromagnesiteHide

Type:
Biaxial (-)
RI values:
nα = 1.340 nβ = 1.506 nγ = 1.506
2V:
Measured: 4° to 6°
Max Birefringence:
δ = 0.166
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
none

Chemical Properties of NitromagnesiteHide

Formula:
Mg(NO3)2 · 6H2O

Crystallography of NitromagnesiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 6.19 Å, b = 12.71 Å, c = 6.6 Å
β = 93°
Ratio:
a:b:c = 0.487 : 1 : 0.519
Unit Cell V:
518.54 ų (Calculated from Unit Cell)
Morphology:
Flocculent to earthy efflorescences. Artificial crystals long prismatic [001] with {001} and {110} dominant.

Type Occurrence of NitromagnesiteHide

Synonyms of NitromagnesiteHide

Other Language Names for NitromagnesiteHide

Related Minerals - Nickel-Strunz GroupingHide

5.NC.10NitrocalciteCa(NO3)2 · 4H2OMon. 2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

13.1NitratineNaNO3Trig. 3m (3 2/m) : R3c
13.2NiterKNO3Orth. mmm (2/m 2/m 2/m) : Pmma
13.3GerhardtiteCu2(NO3)(OH)3Orth. 2 2 2 : P21 21 21
13.5NitrocalciteCa(NO3)2 · 4H2OMon. 2/m
13.6NitrobariteBa(NO3)2Iso. m3 (2/m 3) : Pa3
13.7ButtgenbachiteCu19(NO3)2(OH)32Cl4 · 2H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
13.8SveiteKAl7(NO3)4(OH)16Cl2 · 8H2OMon.
13.9DarapskiteNa3(SO4)(NO3) · H2OMon. 2/m
13.10HumberstoniteNa7K3Mg2(SO4)6(NO3)2 · 6H2OTrig. 3 : R3
13.11Mbobomkulite(Ni,Cu)Al4((NO3)2,SO4)(OH)12 · 3H2OMon.
13.12Hydrombobomkulite(Ni,Cu)Al4((NO3)2,SO4)(OH)12 · 13-14H2OMon.
13.13Nickelalumite(Ni,Cu)Al4(SO4,(NO3)2)(OH)12 · 3H2OMon.

Other InformationHide

Thermal Behaviour:
Melting Point = 90°.
Notes:
Readily soluble in water.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for NitromagnesiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Naumann, C.F. (1828) Lehrbuch der Mineralogie, Berlin: 263 (as Magnesiasalpeter).
Beudant, F.S. (1832), Trailé élémentaire de Minéralogie, second edition, 2 volumes: 2: 384 (as Nitrate de magnésie)
Shepard C.U. (1832) Treatise on Mineralogy. First edition, vol. 2: 85.
Huot, J.J. (1841) Manuel de Minéralogie. 2 volumes, Paris: 2: 431 (as Magnesinitre).
Marignac (1856) Annales des mines: 9: 31.
Ogérien in: Lacroix, A. (1901) Minéralogie de la France et des ses colonies, Paris. 5 volumes: vol. 3: 414 (French localities).
Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 116.
Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Seventh edition, Volume II: 307.

Internet Links for NitromagnesiteHide

Localities for NitromagnesiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • Queensland
    • Cloncurry Shire
      • Cloncurry
France
 
  • Bourgogne-Franche-Comté
    • Jura
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 307.
Italy
 
  • Apulia
    • Bari Province
      • Molfetta
        • Pulo di Molfetta
Zimmerman E.A.G. (1789): Viaggio alla nitriera di Molfetta nella terra di Bari in Puglia. Opuscoli scelti, 12, 289-306. Zimmerman E.A.G. (1789): Voyage à la Nitrière naturelle de Molfetta, dans la Terre de Bari en Pouille. Chez Barrois, Libraire, Paris, 49 pp. (abstract: Journal de Physique, 36 (1790), 109-117). Onac B.P., Forti P. (2011): Minerogenetic mechanisms occurring in the cave environment: an overview. International Journal of Speleology, 40, 2, 79-98.
Kenya
 
  • Trans-Nzoia County
    • Mount Elgon
Bowell, R. J., Warren, A., & Redmond, I. (1996). Formation of cave salts and utilization by elephants in the Mount Elgon region, Kenya. Geological Society, London, Special Publications, 113(1), 63-79.
South Africa
Cairncross, B. and Dixon, R., (1995), Minerals of South Africa.
  • Gauteng Province
    • Witwatersrand field
      • Johannesburg District (Central Rand)
        • Johannesburg
Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
      • West Rand District (West Rand)
        • Far West Rand (West Wits Line)
          • Western Sector
            • Carletonville
Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
        • Krugersdorp
Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
  • Limpopo Province
    • Capricorn District
Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
Spain
 
  • Basque Country
    • Vizcaya
      • Valle de Carranza
Martínez-Arkarazo, I., Angulo, M., Zuloaga, O., Usobiaga, A., & Madariaga, J. M. (2007). Spectroscopic characterisation of moonmilk deposits in Pozalagua tourist cave (Karrantza, Basque Country, North of Spain). Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 68(4), 1058-1064.
Ukraine
 
  • Crimea Oblast'
    • Crimea peninsula
      • Bakhchisaray area
        • Skalistoye Village
Dvoichenko P.A. The minerals of Crimea (1914) - Zapiski Krymskogo obshchestva estestvoispytatelei (Proceeding of the Crimea Society of Naturalistes), 1914, vol. 4, p. 1-208 (Rus.) - Popov S.P. Mineralogy of the Crimea (1938). - M.-L., AN SSSR, 1938, 352 p. (Rus.)
USA (TL)
 
  • Tennessee
    • Marion Co.
Acta Cryst. 14 (1961), 1296
  • Virginia
    • Botetourt Co.
Minerals of Virginia 1990 by R. V. Dietrich
Mineral and/or Locality  
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