2-Sided Chalcedony (Grape Agate) Specimen OTH 017

Botryoidal, 2-sided chalcedony (grape agate)

Measurements:  37 x 32 x 16 mm

Description:  A 2-sided cluster of botryoidal chalcedony with amethyst colouring. 

The specimen has a few nicks. 

Background: These specimens first appeared on the global mineral market in 2016. Although they are fairly abundant at the moment, it is not known how much of this treasure is still left in the ground.

Weight of Specimen:  15.5 g

Chemical Composition:  SiO2  (quartz var. chalcedony)

Hardness on Mohs Scale:  (quartz var. chalcedony) 

Location:  Batu Manakarra mining district - Mamuju Area, Barat Province, Sulawesi Island, Indonesia.

Specimen Code:  OTH 017



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