Card No: 8462       Created: 26/01/12    Last edition: 28/02/2022

Name: GATEHOUSEITE
Specification: [3], structure type - arsenoclasite
Formula: Mn5(OH)4[PO4]2
Symmetry Class: orthorhombic
Space Group: P 2(1)2(1)2(1)
Unit Cell
Parameters:
a = 17.9733 | b = 5.6916 | c = 9.1300
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 933.97
Number of Atomic Position
per full Unit Cell
:
P/U = 92 Molar Volume, cm3/mol: Vm = 140.64
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.83
R-factor: -MU, 1/cm: µ = 606.175
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 158.245
Theta-Interval for CPDP: T/I = 1-45