|
|
Khristovite-(Ce) Mineral Data
|
|
|
General Khristovite-(Ce) Information
|
Chemical Formula: |
(Ca,REE)(Ce,REE)(Mg,Fe,Cr,Ti,V,Al)Mn++Al(SiO4)(Si2O7)(OH)(F,O) |
Composition: |
Molecular Weight = 610.88 gm |
|
Calcium 5.25 % Ca 7.34 % CaO |
|
Cerium 11.47 % Ce 13.43 % Ce2O3 |
|
La,Ce,Pr,Nd,Sm, 16.50 % RE 19.25 % REE2O3 |
|
Magnesium 1.59 % Mg 2.64 % MgO |
|
Titanium 0.78 % Ti 1.31 % TiO2 |
|
Manganese 8.99 % Mn 11.61 % MnO |
|
Aluminum 4.86 % Al 9.18 % Al2O3 |
|
Vanadium 0.42 % V 0.61 % V2O3 |
|
Chromium 0.85 % Cr 1.24 % Cr2O3 |
|
Iron 0.91 % Fe 1.18 % FeO |
|
Silicon 13.79 % Si 29.51 % SiO2 |
|
Hydrogen 0.16 % H 1.47 % H2O |
|
Oxygen 32.08 % O |
|
Fluorine 2.33 % F 2.33 % F |
|
- %
F -0.98 % -O=F2 |
|
______ ______ |
|
100.00 % 100.13 % = TOTAL OXIDE |
Empirical Formula: |
Ca0.8REE0.2Ce0.5REE0.5Mg0.4Fe2+0.1Cr0.1Ti0.1V3+0.05Mn2+Al1.1(SiO4)(Si2O7)(OH)F0.75O0.25
|
Environment: |
Occurs in rhodonite in garnet-biotite-quartz-rich exo-contact of the subalkaline granites of the Inyl'chek massif. |
IMA Status: |
Approved IMA 1991 - Dana Number Modified from 58.2.1a.9 |
Locality: |
On the northern slope of the Inyl'chek Range, southwestern Tien-shan, Kirgiziya, Russia. Link to MinDat.org Location Data. |
Name Origin: |
Named for Evgenia Valdimirovicha Khristova (1933-), Russian geologist and specialist in Tien-shan geology. |
Name Pronunciation: |
Khristovite-(Ce) + Pronunciation |
Synonym: |
IMA1991-055 |
|