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Clinothulite from
Joppa Hill, Amherst, Hillsborough Co., New Hampshire, USA

Site Photo

Joppa Hill, Amherst, Hillsborough Co., New Hampshire, USA
© 2008 Peter Cristofono
Description
Comments:Qualitative SEM-EDS by Kerry Day:
Al (1.49 KeV) = 1221; Si (1.74) = 1459; Ca (3.69) = 1016; Mn (5.90) = 33; Fe (6.40) = 51; Background values 2/10 = 85/9
"Zoisite/Clinozoisite/Thulite. The smallest amount of Mn can colour an Epidote Group mineral cherry red."

Clinozoisite is very common at Joppa Hill, usually pale green, sometimes colorless, very rarely pink. Zoisite does not occur at the locality. "Thulite" = Mn-bearing zoisite. "Clinothulite" = Mn-bearing clinozoisite.
Colour:pink
Quality of samples:not specified / average specimens
Confirmation
Validity:Confirmed
Confirmation Methods:Visual Identification
SEM-EDS
References
References:P Cristofono collection, 2008
Data
Mineral Data:Click here to view Clinothulite data
Locality Data:Click here to view Joppa Hill, Amherst, Hillsborough Co., New Hampshire, USA
Mineral and/or Locality
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