Mineralogy Database

Dellaventuraite Mineral Data

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General Dellaventuraite Information

Help on Chemical Formula: Chemical Formula: NaNa2(Mg2,Mn+++,Li,Ti)Si8O22O2
Help on Composition: Composition: Molecular Weight = 859.87 gm
   Potassium   1.82 %  K     2.19 % K2O
   Sodium      6.20 %  Na    8.36 % Na2O
   Lithium     0.73 %  Li    1.56 % Li2O
   Calcium     1.35 %  Ca    1.89 % CaO
   Magnesium   5.12 %  Mg    8.48 % MgO
   Titanium    3.34 %  Ti    5.57 % TiO2
   Manganese   5.43 %  Mn    7.80 % Mn2O3
   Aluminum    0.44 %  Al    0.83 % Al2O3
   Zinc        0.08 %  Zn    0.09 % ZnO
   Iron        4.61 %  Fe    6.59 % Fe2O3
   Silicon    26.00 %  Si   55.62 % SiO2
   Nickel      0.14 %  Ni    0.17 % NiO
   Hydrogen    0.09 %  H     0.84 % H2O
   Oxygen     44.66 %  O
             ______        ______ 
             100.00 %      100.02 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K0.4Na0.61Na1.71Ca0.29Mg1.81Zn0.01Ni0.02Li0.9Fe3+0.71Mn3+0.85Ti0.6Al0.1Si7.96Al0.04 O22(OH)0.8O1.2
Help on Environment: Environment: Occurs with leakeite, kornite, albite, braunite, and bixbyite associated with cross-cutting epigenetic veins that have reacted with regionally metamorphosed rocks containing Mn-rich minerals. Amphibole group
Help on IMA Status: IMA Status: Approved IMA 2005 (Dana # Added)
Help on Locality: Locality: Kajlidongri manganese mine, Jhabua District, Madhya Pradesh, India. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Giancarlo Della Ventura, Universit� degli Studi di Roma Tre, for his extensive work on the crystal chemistry of synthetic amphiboles.
Help on Synonym: Synonym: IMA2003-061