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Melanophlogite

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Formula:
46SiO2 · 6(N2,CO2) · 2(CH4,N2)
System:
Tetragonal
Colour:
Colorless, white, ...
Hardness:
6½ - 7
This page provides mineralogical data about Melanophlogite.

Classification of Melanophlogite

Approved
4.DA.25

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
A : With small cations: Silica family
75.2.2.1

75 : TECTOSILICATES Si Tetrahedral Frameworks
2 : Si Tetrahedral Frameworks - SiO2 with H2O and organics
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http://www.mindat.org/min-2630.html
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First Recorded Occurrence of Melanophlogite

Year of Discovery:
1876

Physical Properties of Melanophlogite

Vitreous
Colour:
Colorless, white, water-clear (pale yellow to deep red brown with impurities)
Streak:
White
Hardness (Mohs):
6½ - 7

Crystallography of Melanophlogite

Crystal System:
Tetragonal
Cell Parameters:
a = 26.82Å, c = 13.37Å
Ratio:
a:c = 1 : 0.499
Unit Cell Volume:
V 9,617.21 ų (Calculated from Unit Cell)

Crystallographic forms of Melanophlogite

Crystal Atlas:
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Melanophlogite no.2 - Goldschmidt (1913-1926)
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Chemical Properties of Melanophlogite

Formula:
46SiO2 · 6(N2,CO2) · 2(CH4,N2)
Essential elements:
All elements listed in formula:
Common Impurities:
ORG,C,H,S

Relationship of Melanophlogite to other Species

4.DA.05QuartzSiO2
4.DA.10OpalSiO2 · nH2O
4.DA.10TridymiteSiO2
4.DA.15CristobaliteSiO2
4.DA.20MogániteSiO2
4.DA.30LechatelieriteSiO2
4.DA.35CoesiteSiO2
4.DA.40StishoviteSiO2
4.DA.45KeatiteSiO2
4.DA.50SeifertiteSiO2

Other Names for Melanophlogite

Name in Other Languages:

Other Information

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 Melanophlogite

Reference List:
American Mineralogist (1963): 48: 854-867.

American Mineralogist (1972): 57: 779-796.

Zeitschrift für Kristallographie (1983): 164: 247-257.

Mineralogical Record (2002): 33: 237-242.

Adorni, F., Tadeo, F., Adorni, B. 2004): La melanoflogite di Case Montanini. Rivista Mineralogica Italiana, 3/2004, 126-136.

Tribaudino, M., Artoni, A., Mavris, Ch., Bersani, D., Lottici, P.P., Belletti, D. (2008): Single-crystal X-ray and Raman investigation on melanophlogite from Varano Marchesi (Parma, Italy). American Mineralogist, 93, 88-94.

Internet Links for Melanophlogite

Localities for Melanophlogite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Pardubice Region
Žák L.: Find of pyrophanite and melanophlogite in Chvaletice (E. Bohemia). Časopis pro mineralogii a geologii, 1967, 12, 4, 451-452. Žák L.: A contribution to the crystal chemistry of melanophlogite. American Mineralogist, 1972, 57, 779-796
    • Ústí Region
      • Most
Filippi, M.: Melanoflogit – vzácný polymorf hmoty SiO2 a jeho druhý výskyt v České republice. Bulletin Mineralogicko-petrografického oddělení Národního muzea v Praze, 2002, roč. 10, s. 120-130.
  • Moravia (Mähren; Maehren)
    • Vysočina Region
      • Žďár nad Sázavou
        • Rožná deposit
Petr Pauliš, Stanislav Kopecký, Pavel Černý: Uranové minerály České republiky a jejich lokality. (2007)
Italy
 
  • Emilia-Romagna
    • Parma Province
      • Medesano
        • Sant'Andrea Bagni
Adorni, F., Tateo, F., Adorni, B. (2004): La melanoflogite di Case Montanini (S. Andrea Bagni, Medesano, Appennino parmense). Rivista Mineralogica Italiana, 28, 126-136. Tribaudino, M., Artoni, A., Mavris, C., Bersani, D., Lottici, P.P., Belletti, D. (2008): Single-crystal X-ray and Raman investigation on melanophlogite from Varano Marchesi (Parma, Italy). American Mineralogist, 93, 88-94.
Adorni, F., Tateo, F., Adorni, B. (2004): La melanoflogite di Case Montanini (S. Andrea Bagni, Medesano, Appennino parmense). Rivista Mineralogica Italiana, 28, 126-136.
  • Piedmont
    • Torino Province
      • Canavese District
        • Léssolo
          • Cálea
http://www.webmineralshop.com/articoli/brosso_eng.htm
  • Sicily
    • Caltanissetta Province
      • Milena
Am Min 57 (1972), 779
    • Palermo Province
Lasaulx (von) A. (1876): Weitere Bemerkungen über Melanophlogit. In: Briefwechsel. Mittheilungen an Professor G. Leonhard. Neues Jahrb. Miner. Geol. Palaeont., 627-629. - Lasaulx (von) A. (1879): Beobachtungen in den Schwefeldistrikten von Sicilien. Neues Jahrb. Miner. Geol. Palaeont., 490-517. - De Michele V. (1974): Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol., 408 pp.
  • Tuscany
    • Livorno Province
      • Livorno
http://www.flashnet.it/users/fn25936n/
      • Rosignano Marittimo
Ref: Nannoni, R., & Sammartino, F. (1979). Guida ai minerali dei monti livornesi, Guide Calderini, Bologna.
Grassellini Troysi, M. & Orlandi, P. (1972): Sulla melanoflogite del Fortullino (Livorno). Atti della Società Toscana di Scienze Naturali, Memorie, Serie A: Processi Verbali, 79, 245-250; Gallo, S. (1974): Melanophlogite, a new and interesting find. Mineralogical Record, 5(5), 207-208.
Japan
 
  • Honshu Island
    • Kanto region
      • Chiba prefecture
        • Minamiboso city
H. Imai collection
Ukraine
 
  • Crimea Oblast'
World of Stones v.9
      • Kerch peninsula (Kertch peninsula)
        • Opuk Mountain area
- 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
 
  • California
    • Los Angeles Co.
      • Encino
Housley, Robert M. (2013), Eleven New Melanophlogite Pseudomorph Occurrences in Southern California, Mindat article 1772 (http://www.mindat.org/article.php/1772/).
      • Santa Monica Mts
        • Agoura Hills
Chorazewicz, M. (2014) Three New Melanophlogite Pseudomorph Localities From Santa Monica Mountains, Southern California, Bulletin of the Mineralogical Society of Southern California: 87(8) (August, 2014): 6-9.
Chorazewicz, M. (2014) Three New Melanophlogite Pseudomorph Localities From Santa Monica Mountains, Southern California, Bulletin of the Mineralogical Society of Southern California: 87(8) (August, 2014): 6-9.
Chorazewicz, M. (2014) Three New Melanophlogite Pseudomorph Localities From Santa Monica Mountains, Southern California, Bulletin of the Mineralogical Society of Southern California: 87(8) (August, 2014): 6-9.
Housley, R. (2013) Eleven New Melanophlogite Pseudomorph Occurrences in Southern California, Mindat.org article 1772.
Housley, R. (2013), Eleven New Melanophlogite Pseudomorph Occurrences in Southern California, Mindat.org article 1772.
Housley, R. (2013), Eleven New Melanophlogite Pseudomorph Occurrences in Southern California, Mindat.org article 1772.
DeVito, Alfred N., 1985. Microscoop (Lewis Road/Westlake Village microminerals). Bull. Min. Soc. So. Calif., Vol.55, no.10 (October 1985), p. 12. Housley, R., 2013. Eleven New Melanophlogite Pseudomorph Occurrences in Southern California, Mindat.org article 1772.
Housley, R. (2013), Eleven New Melanophlogite Pseudomorph Occurrences in Southern California, Mindat.org article 1772.
        • Beverly Hills
          • Higgins Canyon
            • Head of Higgins Canyon
Housley, Robert (2013), Eleven New Melanophlogite Pseudomorph Occurrences in Southern California, Mindat article 1772.
        • Calabasas
Housley, R. (2013), Eleven New Melanophlogite Pseudomorph Occurrences in Southern California, Mindat.org article 1772.
Housley, R. (2013), Eleven New Melanophlogite Pseudomorph Occurrences in Southern California, Mindat.org article 1772.
        • Malibu
Housley, R. (2013), Eleven New Melanophlogite Pseudomorph Occurrences in Southern California, Mindat.org article 1772.
    • Napa Co.
      • Lombard
Dunning, G.E. & Cooper, J.F. (2002): Pseudomorphic melanophlogites from California. Mineralogical Record 33: 237-242
    • Orange Co.
      • Newport Beach
Housley, R. (2013), Eleven New Melanophlogite Pseudomorph Occurrences in Southern California, Mindat.org article 1772.
    • San Benito Co.
      • Diablo Range
        • New Idria District
          • Picacho Peak
Mineralogical Record: 36(4): 337-363.; Dunning, G.E. & Cooper, J.F. (2002): Pseudomorphic melanophlogites from California. Mineralogical Record 33: 237-242
Dunning, G.E. & Cooper, J.F. (2002): Pseudomorphic melanophlogites from California. Mineralogical Record 33: 237-242
    • San Mateo Co.
      • Pescadero
Dunning, G.E. & Cooper, J.F. (2002): Pseudomorphic melanophlogites from California. Mineralogical Record 33: 237-242
    • Santa Clara Co.
      • Diablo Range
        • Mount Hamilton
          • East Mount Hamilton area
Cooper, J.F. & G.E. Dunning (1972), Melanophlogite from Mount Hamilton, Santa Clara County, California: American Mineralogist: 57: 1494, 1495; Cooper, J.F. & G.E. Dunning (1973), Melanophlogite from Mount Hamilton, Santa Clara County, California: Erratum: American Mineralogist: 58: 346; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 354, 357; Mineralogical Record (2002): 33: 239.
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