Spessartine, Chlorite Group, Helvine

Specimen ID: NLH-N6A

Mineral(s)
Spessartine : Mn2+3Al2(SiO4)3
Helvine : Be3Mn2+4(SiO4)3S
Locality
As recorded:
Tongbei, Yunxiao, Zhangzhou Prefecture, Fujian Province, China
Mindat locality:
Dimensions
36mm x 33mm x 31mm
Description
Different from Helvine crystals from other Chinese provenances, these are isolated, sharp and formed by the positive and negative rhombohedron, with the color between dark honey brown and yellow distributed in zones. They are on a matrix coated with orange trapezohedral Spessartine crystals and leafy aggregates of Chlorite. The Helvine has been analyzed and we will send a copy of the analysis to the buyer.
Previous data
Mineral(s)
Name withheld

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4,950,908 minIDs have been issued as of 14th Oct 2019 2:18 pm BST