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Sapphire blue

Sapphire blue

    The sapphire has the biggest range of blues, the pastel in the midnight blue, going even up to the black according to the quantity of coloring element. The inclusions which we can observe in certain stones give a velvety aspect, or by their absence a purity of the most staggering. It is the stone which we find less and less on the market, but which remains however the the most desired stone.

    The appearance(mine) of Mogok in Burma produces magnificent intense blue sapphires. But, it is doubtless in the Kashmir(Cashmere), in the depths of Himalaya that arrive at us the most beautiful royal blue sapphires deep. Situated in 4500m of height, appearances(mines) are exploited(run) since the 1880s

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    Légende

    A legend reaches us ancient times, in the borders of the " stay of snows ", Himalaya in Sanskrit. In these distant lands lived huge, shameless and shameless, who by a day of mist, stole to the gods a piece of bluish sky. The divinities, drunk with rabies and with vengeance, transformed the giants into mountains. However they forgot the piece of sky which became, in the depths of these mountains, the blue sapphires of Kashmir

    To know more about the mineralogy of the Sapphire, see Mindat.org->

    Gemological data

    • Chemical formula : Al2 O3
    • Hardness (Mohs) : 9
    • Density : 4
    • Refractive index : ne=1.759-1.761 no=1.767-1.770
    • Birefingence : 0.008 / 0.009
    • Crystal system : Rhombohedral - Trigonal
    • Group : Corundum

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