Card No: 6988       Created: 17/09/2007    Last edition: 19/09/2014

Name: GATEHOUSEITE
Specification: [2], structure type - arsenoclasite, syn
Formula: Mn5(OH)4[PO4]2
Symmetry Class: orthorhombic
Space Group: P 2(1)2(1)2(1)
Unit Cell
Parameters:
a = 9.1100 | b = 18.0320 | c = 5.6923
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 935.08
Number of Atomic Position
per full Unit Cell
:
P/U = 76 Molar Volume, cm3/mol: Vm = 140.81
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.78
R-factor: -MU, 1/cm: µ = 604.515
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 159.823
Theta-Interval for CPDP: T/I = 1-45