Grey - Andesite
Quarry Location: Haddington Island, BC
Water Absorption: 4.26 %
Density: 2522 kg/m3
Recommended Usage: Building Ornaments, Flagstone,Coping, Pavers, Slabs, Ledgestone
Finishing Surface: Splitface / Machine Finish, Ashlar, Blocks
Additional Names: Haddington Island Andesite,Haddington Island Stone
Haddington Island Stone is a warm grey beige -bluff color, high denisty volcanic rock. The rock has a very fine grained to aphanitic texture, and has a light blue-grey to a warm brown-grey range in colour. Haddington Island Stone is easily profiled and carved.
Haddington Island Quarry Opened 1896-1966. Reopened 2004.
Finishes: Splitface / Machine Finish, Ashlar, Blocks
Silica 70.5%
Alumina and ferric oxide 18.7%
Lime 2.7%
Magnesia Trace
Weight per cubic foot, lbs 143.41
Crushing strength, lbs. Per sq. in
dry: 18,428
wet: 13,847
wet after freezing: 11,415
Resistance to Degradation of Large-size Coares Aggregate by Abrasion & Impact ASTM C 535,
Loss after 500 revolutions,per cent: 21.6
Loss after 1000 revolutions, per cent:32.6