Card No: 12123       Created: 5/08/24    Last edition: 02/04/2026

Name: KAMENEVITE
Specification: [1], structure type - umbite
Formula: K2TiSi3O9 · H2O
Symmetry Class: orthorhombic
Space Group: P 2(1)2(1)2(1)
Unit Cell
Parameters:
a = 9.9166 | b = 12.9561 | c = 7.1374
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 917.02
Number of Atomic Position
per full Unit Cell
:
P/U = 72 Molar Volume, cm3/mol: Vm = 138.09
Number of Reflexes used in
Structure Determination
:

NR = 2201
X-ray density, g/cm3: p = 2.71
R-factor: R = 0.0384MU, 1/cm: µ = 203.579
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 75.099
Theta-Interval for CPDP: T/I = 1-45