Mineral: Corundum (variety sapphire)
Locality: Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka
Dimensions: 4.5 x 2 x 2.5 cm / main crystal: 3.9 cm

Description: Mass: 18 g MIM number: 1543 Two slender white twinned crystals with blue extremities, bristling with several smaller crystals with blue bands and also twinned. The whole group is floating and intact. Photographer: AINU / Augustin de Valence; Publications: "Mineralogical Record: Sep-Oct 2015", "101 Minéraux et Pierres Précieuses qu'il faut avoir vus dans sa vie"

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