... .4mm) ...3) Quality standard: thickness tolerance: ± 1mm Polishing degree: Above 90-95 degreeOther materials & Colors: China granite or imported granite from India ... , Baltic Brown, Tan Brown, Tropical Brown,GialloFiorito, Emerald Pearl,Tiger skin rust, Blue Pearl, Butterflygreen,Butterfly blue, Red tiger skin, Kashmir Gold ... your interests, please do not hesitate to contact us. blue pearl tiles