Yellow - Onyx
Quarry Location: Niakan borough, Mashhad city, Khorasan province
Recommended Usage: Interior wall applications, countertops, table tops, mosaic, sink
Finishing Surface: Honed, Aged, Polished, Tumbled
Additional Names: Bolourin Mashhad Onyx,Mashhad Orange Onyx, Bolourin Honey Onyx,Bolourin Onyx
Bolourin Onyx is a orange yellow color with white and dark veined rock.
Finishes available: Honed, Aged, Polished, Tumbled
Bolourin Onyx can be commonly used; Interior wall applications, countertops, table tops, mosaic, sink, etc
Physical Analysis
Dry pressure resistance 1235kg/cm3
Wet pressure resistance 1170kg/cm3
Elasticity module 586kg/cm2 210-5
Hardness 3
Coefficient of contraction and expansion:
EXP.COEF = 0.021 PCT AT 200
CON.COEF = 0.009 PCT AT -40 C°
Chemical Analysis
Sio2 -- 0.63
Al2o3 -- 0.29
Fe2o3 -- 0.26
Cao -- m.d
Mgo -- 54.99
Tio2 -- 0.01
Na2o -- 0.01
K2o -- 6.03
L.O.I -- 43.75