Measurements: 36 x 31 x 18
mm
Description: Botryoidal chalcedony with a pale amethyst colouring. A multi-sided specimen that displays well in various positions on a flat surface.
The specimen has a few small 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: 7.3 g
Chemical
Composition: SiO2
(quartz
var. chalcedony)
Hardness on Mohs Scale: (quartz var. chalcedony) 7
Location: Batu Manakarra mining district - Mamuju Area, Barat Province, Sulawesi Island, Indonesia.
Specimen Code: BARGii 051
US $ 6
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