AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Madagascar > Calcite (twinned crystals)

Calcite (twinned crystals) from Ambariomiambana, Sambava District, Antsiranana Province, Madagascar

Photo below under shortwave ultraviolet illumination:

DESCRIPTION:	No. 69639
Mineral:	Calcite (twinned crystals)
Locality:	Ambariomiambana, Sambava District, Antsiranana Province, Madagascar
Description:	Lustrous transparent pale-yellow calcite crystals in parallel orientation with no matrix on the bottom. The calcite crystals are twinned on a plane running through the center of the cluster resulting in four-sided pointed crystals.
Overall Size:	6x4.5x4 cm
Crystals:	1-50 mm
Archived:	For reference only

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