Garnet amphibolite "Nigrozero" Type of natural stone: garnet amphibolite The commercial name of "Tundra" (better known abroad under the name "Nordic Sunset") Geological age: 3200 Ma Annual production of commercial units: up to 3,000 m3 (seasonal production) The field Nigrozero Location: Russia, the Republic of Karelia, Louhi district, settlement. Chupa, 50 km to the w / e Art. Chupa
The average density 3180 kg/m3 Water Absorption 0,22 % Compressive Strength (dry) 216 MPa Compressive strength in the saturated state 132 MPa frost-resistance F150 0.10 % salt resistance
The mineral composition Name of mineral units Figures Hornblende (amphibole), 40% Plagioclase 28% Quartz 28% Pomegranate 15% Aegirine% 2
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