The crystal structure of two different crystals (Fa(39)Fo(11)La(50) and Fa(35)Fo(14)La(51), respectively) are refined (orthorhombic unit cell parameters: a = 4.877 and 4.875, b = 11.166 and 11.164, c = 6.448 and 6.447 Angstrom), yielding similar results. In particular, the geometry of the M2 and T coordination polyhedra does not change with respect to other calcium bearing olivines, whereas M1 is sensitive to the site population.
Crystal chemistry of meteoritic kirschsteinite
FOLCO, LUIGI;
1997-01-01
Abstract
The crystal structure of two different crystals (Fa(39)Fo(11)La(50) and Fa(35)Fo(14)La(51), respectively) are refined (orthorhombic unit cell parameters: a = 4.877 and 4.875, b = 11.166 and 11.164, c = 6.448 and 6.447 Angstrom), yielding similar results. In particular, the geometry of the M2 and T coordination polyhedra does not change with respect to other calcium bearing olivines, whereas M1 is sensitive to the site population.File in questo prodotto:
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