Card No: 4516       Created: 06/07/2001    Last edition: 02/02/2017

Name: SPRINGCREEKITE
Specification: [1], structure type - alunite
Formula: Ba[V0.57Fe0.43]3[PO42[OH,H2O]6
Symmetry Class: trigonal
Space Group: R 3(-)m
Unit Cell
Parameters:
a = 7.2430 | c = 17.3854
Number of Formula Unit: Z = 3Unit Cell Volume, Å3: Vc = 789.86
Number of Atomic Position
per full Unit Cell
:
P/U = 60 Molar Volume, cm3/mol: Vm = 158.59
Number of Reflexes used in
Structure Determination
:

NR = 469
X-ray density, g/cm3: p = 3.67
R-factor: R = 0.0290MU, 1/cm: µ = 682.943
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 185.980
Theta-Interval for CPDP: T/I = 1-45