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Melanophlogite

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Fortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italy
© Elmar Lackner

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Formula:
46SiO
 
2
 · 6(N
 
2
,CO
 
2
) · 2(CH
 
4
,N
 
2
)
System:TetragonalColour:Colorless, white, ...
Hardness:6½ - 7
This page provides mineralogical data about Melanophlogite.

Classification of Melanophlogite

IMA status:Approved
Strunz 8th edition ID:4/D.01-40
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:75.2.2.1

75 : TECTOSILICATES Si Tetrahedral Frameworks
2 : Si Tetrahedral Frameworks - SiO2 with H2O and organics
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Type Occurrence of Melanophlogite

Type Locality:Giona Mine, Milena, Caltanissetta Province, Sicily, Italy
Year of Discovery:1876

Physical Properties of Melanophlogite

Lustre: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)
Crystal Atlas:
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Melanophlogite no.2 - Goldschmidt (1913-1926)

About Crystal Atlas

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The mindat.org Crystal Atlas allows you to view a selection of crystal drawings of real and idealised crystal forms for this mineral and, in certain cases, 3d rotating crystal objects. You need Java to see these. You can download Java for free - click here to download Java

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Chemical Properties of Melanophlogite

Formula:
46SiO
 
2
 · 6(N
 
2
,CO
 
2
) · 2(CH
 
4
,N
 
2
)
Essential elements:C, H, N, O, Si
All elements listed in formula:C, H, N, O, Si
Common Impurities:ORG,C,H,S

Relationship of Melanophlogite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.DA.05Quartz
SiO
 
2
4.DA.10Opal
SiO
 
2
 · nH
 
2
O
4.DA.10Tridymite
SiO
 
2
4.DA.15Cristobalite
SiO
 
2
4.DA.20Mogánite
SiO
 
2
4.DA.30Lechatelierite
SiO
 
2
4.DA.35Coesite
SiO
 
2
4.DA.40Stishovite
SiO
 
2
4.DA.45Keatite
4.DA.50Seifertite
SiO
 
2

Other Names for Melanophlogite

Other Languages:
German:Melanophlogit
Russian:Меланофлогит
Spanish:Melanophlogita

Other Information

Health Warning: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

Search Engines:
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  • Look for Melanophlogite on Wikipedia
  • Look for Melanophlogite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Melanophlogite details from Handbook of Mineralogy (PDF)
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    • Specimens:The following Melanophlogite specimens are currently listed for sale on minfind.com.
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    • Localities for Melanophlogite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? 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
        • 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
    • Tuscany
      • Livorno Province
        • Livorno
    		http://www.flashnet.it/users/fn25936n/
        • Rosignano Marittimo
    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.
    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
      • Napa Co.
        • Lombard
    		Dunning, G.E. & Cooper, J.F. (2002): Pseudomorphic melanophlogites from California. Mineralogical Record 33: 237-242
      • 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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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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