http://webmineral.com/data/Taramite.shtml WebFerriwinchite. Asbestiform winchite. CaNa(FeMg) 4 Fe 3+ Si 8 O 22 (OH) 2. a Simplified representation of the overall stoichiometry of a mineral species. Mineral species typically have chemical modifications, such as substitutions of similar cations and sometimes anions (common examples are Mg 2+ <->Fe 2+ and Si 4+ <->Al 3+). Substitutions may ...
Mineral assemblages and microprobe analytical spots in BIF with …
WebGeneral Ferrowinchite Information. Chemical Formula: [ ] (CaNa)Fe++4 (Al,Fe+++)Si8O22 (OH)2. Composition: Molecular Weight = 931.34 gm. Sodium 2.47 % Na 3.33 % Na 2 O. … http://www.webmineral.com/data/Potassicrichterite.shtml discretionary blue badge
Katophorite Mineral Data
WebFerrobarroisite Mineral Data General Ferrobarroisite Information Chemical Formula: [ ] (CaNa)Fe++3AlFe+++Si7AlO22 (OH)2 Composition: Molecular Weight = 923.02 gm Sodium 2.49 % Na 3.36 % Na 2 O Calcium 4.34 % Ca 6.08 % CaO Aluminum 5.85 % Al 11.05 % Al 2 O 3 Iron 24.20 % Fe 23.35 % FeO / 8.65 % Fe 2 O 3 Silicon 21.30 % Si 45.57 % SiO 2 WebRelief. The area around the Ilmensky mountains is one of the highest mountain ranges of the eastern foothill of the northern part of the Southern Urals. This mountain range runs meridian- wards up to lake Kundravinsky in the south, and in the north to the group of lakes: Silach, Irtyash, Kasli, Uvildy. http://www.webmineral.com/data/Ferri-ferrobarroisite.shtml discretionary billing