Tanzanite cabochon - Tanzania
Very marked pleochroism going from blue to purple. The cabochon weighs 6.82 grams. 2,2 x 1,4 x 0,7 cm0062-LCJD
Very marked pleochroism going from blue to purple. The cabochon weighs 6.82 grams. 2,2 x 1,4 x 0,7 cm0062-LCJD
Quartz with millimetre-sized crystal inclusions of dumortierite quartz. According to the observed face, one can distinguish perfectly the small "fireworks" of dumortierite. Point not repolished. 3,8 x 2,9 x 2,3 cm0054-LCJD
Group of blue cyanite crystals on quartz. Different shades of blue but overall, the crystals are very well drawn. 11,1 x 10,6 x 9,4 cm0046-LCJD
Veneer smithsonite covers small malachite crystals. 7,4 x 7,4 x 5 cm0029-LCJD
Azurite crystal on gangue accompanied by smaller crystals. Very saturated color and very interesting volume. 4,6 x 2,7 x 3,3 cm0017-LCJD
Golden topaz crystals slightly tinted pink on carbonate gangue. The main crystal measures approximately 3 cm high. 4,9 x 7,9 x 5,5 cm0011-LCJD
Barite ponpons stained with metal oxides in combination with purple fluorite crystals and very lympid. 11 x 7,9 x 4,9 cm0010-LCJD
Very bright vanadinite crystals on a partially altered white baryte gangue. 7,4 x 4,7 x 4,3 cm0009-LCJD