|

俄罗斯卡累利阿共和国 紅寶石 2

Bymichael

Corundum (Variety: Ruby) Specimen 刚玉（红宝石品种）标本 English Description Mineral: Corundum (Variety: Ruby) – Al₂O₃ Locality: Republic of Karelia, Russia Dimensions: 3.90 cm x 3.00 cm x 2.10 cm Description: This specimen features a well-formed ruby crystal exhibiting a deep red to purplish-red hue, characteristic of Russian rubies. The crystal’s short prismatic form is typical of corundum,…

|

俄罗斯卡累利阿共和国 紅寶石 1

Bymichael

Corundum (Variety: Ruby) Specimen 刚玉（红宝石品种）标本 English Description Mineral: Corundum (Variety: Ruby) – Al₂O₃ Locality: Republic of Karelia, Russia Dimensions: 3.85 cm x 2.10 cm x 2.20 cm Description: This specimen features a well-formed ruby crystal exhibiting a deep red to purplish-red hue, characteristic of Russian rubies. The crystal’s short prismatic form is typical of corundum,…