__________ is a metamorphic rock with specific gravity about 2.89 and compressive strength varies from 75 to 207 Newton per mm square.(a) Quartzite(b) Murum(c) Marble(d) SlateI had been asked this question in an online interview.This interesting question is from Common Building Stones of India topic in division Stone and Brick Masonry of Construction & Building Materials

__________ is a metamorphic rock with specific gravity about 2.89 and

1.	__________ is a metamorphic rock with specific gravity about 2.89 and compressive strength varies from 75 to 207 Newton per mm square.(a) Quartzite(b) Murum(c) Marble(d) SlateI had been asked this question in an online interview.This interesting question is from Common Building Stones of India topic in division Stone and Brick Masonry of Construction & Building Materials
Answer» CORRECT option is (d) Slate The explanation is: Slate is non-absorbent, mostly in black colour and splits along natural BEDDING PLANES. It is used in damp PROOF courses, roofing WORK, sills, etc. Mostly found in Uttar Pradesh, Madhya Pradesh, Bihar, Madras and Mysore.