Hodgkinsonite

Hodgkinsonite is named after H.H. Hodgkinson, discoverer of the mineral at Franklin, Sussex County, New Jersey, USA in 1913.

Franklin Mine, New Jersey has been the only source of facet-quality rough. The stones have been small, the colours are bright pink and lavender.

Hodgkinsonite Gemstones by Colour

This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
 
General Information
Chemical Formula
Mn
2+
 
Zn
 
2
SiO
 
4
(OH)
 
2
Michael O’Donoghue, Gems, Sixth Edition (2006)
More from other references
Mohs Hardness4.5 to 5
Arthur Thomas, Gemstones (2009)
Specific Gravity
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