Mineral: Corundum (variety ruby) with Calcite
Locality: Mogok Township, Pyin-Oo-Lwin District, Mandalay Region (Mandalay Division), Myanmar (Burma)
Dimensions: 4.5 x 3.5 x 7 cm

Description: Mass: 148 g MIM number: 1529 Crystal in a well defined hexagonal column with a few extremities presenting a "melted" aspect typical of this mine. The color is dark red, some portions are translucent and there are some marble inslusions. Photographer: AINU / Augustin de Valence; Publications: "101 Minéraux et Pierres Précieuses qu'il faut avoir vus dans sa vie", “Mineralogical Record, Jan-Feb 2022”

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