Yttrium Calcium Oxoborate (YCOB)
YCa4O(BO3)3
Chemical name
Yttrium Calcium Oxoborate (YCOB)
Mineral name
YCOB
Chemical formula
YCa4O(BO3)3
Melting point [°C]
1510
Crystal system
monoclinic
Crystal Class
(m)
Unit cell
a [Å]:8.08
b [Å]:16.02
c [Å]:3.53
Formula units
Z=2
Mohs hardness
6 - 6.5
Density [g/cm3]
3.31
Transparency
transparent
Piezoelectric crystals
 
termal conductivity [W/m/K]
||x = 2.6; ||y = 2.33; ||z = 3.1
thermal expansation coefficient [(10^(-5))/K]
a(x) = 10.8; a(y) = -8.8; a(z) = 3.4