Quartz with Hedenbergite Inclusions on Axinite
Small Cabinet, 8.9 x 4.5 x 2.6 cm
Huanggang Mines, Hexigten Banner, Inner Mongolia, China

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This cluster of long, tapered, Hedenbergite-included Quartz crystals diverge from a crude, clove brown lustrous matrix of subhedral Axinite is very attractive. Occurrences of this particular type of green included Quartz (whether by actinolite or hedenbergite) are called "prase" at Serifos, Greece, and at Dalnegorsk, Russia. There are six lustrous, green Quartz crystals in the cluster with longest being 8cm and one is broken. An interesting aspect of the habit of these Quartz crystals, especially with respect to their terminations, are that they seem to be of the Tessin habit in which the hexagonal prism gets continuously thinner towards the tip of the crystal by alternating steep rhombohedral and prism faces. Patches of white Kaolinite clay from the pocket are still attached to the Quartz. A fascinating piece! A unique find of 2017
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