..., monticellite–kirschteinite, titanite, merwinite, pyroxene, melilite, feldspars: plagioclases and plumbean K-feldspar, nepheline, kalsilite, leucite); sulfides (pyrrhotite, rudashevskyite, galena), metallic phases (pure iron and iron–arsenic mixture) and secondary phases (gypsum, rapidcreekite, apatite...

...Frank E. Brenker; Alexander N. Krot Abstract Secondary Ca,Fe-rich minerals (CFM; diopside-hedenbergite, andradite, wollastonite, kirschteinite) are widespread in the Allende carbonaceous chondrite. About 90 vol% of the total CaO content of the Allende matrix is concentrated in CFM. The conditions...

... of crystallization is spinel → pyroxene → plagioclase → glass. In sample C two zones (inner – C1; outer – C2; Fig. 3b ) were distinguished and analysed separately. The composition of C1 is dominated by pyroxene and melilite intergrowths, which form a matrix in which subhedral olivine, kirschteinite–monticellite...

... ]) and Ca 2+ (end-member: larnite [Ca 2 SiO 4 ]) can lead to distinct olivine series with unique associations in the Solar System, such as the CaFe–CaMg series with kirschteinite [(Ca,Fe) 2 SiO 4 ] occurring in angrite meteorites and monticellite [(Ca,Mg) 2 SiO 4 ] in kimberlites. The whole range...

...F ig . 6. Compositional (mol.%) variation of monticellite from P2-West expressed in terms of the ternary system forsterite (Mg 2 SiO 4 )–monticellite (CaMgSiO 4 )–kirschteinite (CaFeSiO 4 ). Compositional fields for kimberlites, alnöites and Blue Hills peridotite from Mitchell ( 1986 ). ...

... in Table 3 . The density of clinopyroxene was calculated from its composition, whereas densities for monticellite and garnet were interpolated from the respective end-members (monticellite–kirschteinite and grossular– andradite). Values for pure cuspidine and serpentine were taken from the literature...

.... ( 1999 ): Petrogenesis of municipal solid waste combustion bottom ash . Appl. Geochem . 14 , 1073 – 1091 . Folco , L. & Mellini , M. ( 1997 ): Crystal chemistry of meteoritic kirschteinite . Eur. J. Mineral . 9 , 969 – 973 . Gasser , U.G. , Walker , W.J...

... are known ( Keil 2012 ). They are unbrecciated rocks mainly composed of Al–Ti-bearing diopside–hedenbergite (fassaite), calcic olivine and anorthite. Notable accessory phases are kirschteinite, spinel, troilite, ilmenite, titanomagnetite, titanite, celsian, and carbonates. Their textures make it possible...

... reduced phases in enstatite chondrites [e.g., daubréelite (FeCr 2 S 4 ); oldhamite (CaS); wasonite (WS)]; rare phosphates and other minerals found as meteorite phases exclusively in angrites [e.g., celsian (BaAl 2 Si 2 O 8 ); kirschteinite (CaFeSiO 4 ); kuratite (Ca 2 Fe 5 TiO 2 Si 4 Al 2 O 18...

... olivine, nepheline, sodalite, and Fe,Ni-sulfides (see Fig. 8 ). The dark inclusion 4301-2 is crosscut by multiple veins composed of Ca,Fe-pyroxenes and andradite. Both inclusions are surrounded by continuous Ca-rich rims composed of Ca,Fe-pyroxenes, andradite, wollastonite, and kirschteinite. The outer...

... and achondrites, comprising >98 vol % of some brachinites, 2–4,30,81 Fayalite (Fe 2 SiO 4 ) DA fayalite Near end-member fayalite occurs in howardites and angrites 52,82,83 Kirschteinite (CaFe 2+ SiO 4 ) DA kirschsteinite Occurs as a minor accessory phase in angrites 53,67,68 Pyroxene Group...