格陵兰

Corundum (Variety: Ruby) Specimen 刚玉（红宝石品种）标本 English Description Mineral: Corundum (Variety: Ruby) – Al₂O₃ Locality: Aappaluttoq Ruby Mine, Qeqertarsuatsiaat area, Nuuk, Sermersooq, Greenland Dimensions: 4.40 cm x 3.25 cm x 1.20 cm Weight: 43.89 grams Description: This specimen features a well-formed ruby crystal, showcasing the deep red hue characteristic of Greenland rubies. The crystal’s hexagonal prismatic…