White - Alabaster
Spain
Item Details
Quarry Location:
La Puebla de Hijar (Teruel)
Density:
2400 Kg/m³
Recommended Usage:
Artifacts, decorative items, mosaic, sculpture, wall panels
Finishing Surface:
Polished, Sawn Cut, Sanded, Rockfaced
Additional Names:
Alabastro Nubes, Clouds Alabaster,Alabastro Clouds
Description:
TECHNICAL ESPECIFICATIONS:
Mineral:
Variety of plaster. Massive and competent. Thinly cristallized. Clear colours and translucent.
Composition: Hydrated calcium sulphate with two molecules of water(SO4Ca+2H2O). Aprox. proportions: SO3=43%; Ca=35% y H2O=22%.
Rate of water absorption: ≤60°C=0%; at 110°C=5,2%.
Hardness: 47 kg/mm (Mohs scale).
Porosity: 0,15%.
Specific gravity: 2,4 gr/cm3
Average index of ice resistence:
Drying at 40°C=0,94%
Drying at 60°C=0,68%.
Resistence to thermal changes:
40°C=weight variation 2,8% and resistence to pliability 68,4 kg/cm2
60°C=weight variation 3,0% and resistence to pliability 8,8 kg/cm2
Resistence to compression: 200 kg/cm2 , ice tested, up to 60°C its resistence can be reduced up to 35%.
Module of elasticity: 32 kg/cm2
Resistence to pliability: 82 kg/cm2
Resistence to acids:
Weight variation 0,6% and loss of resistance to pliability 20%.
Resistence to impact: 38,3 cm.
Performance in front of light:Opaque at 110°C.