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Graftonite

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PDM893913

Graftonite

Description Tabs

Description
Locality: 
Groton, Grafton County, New Hampshire, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 2 cm
Weight: 
49.00gr
Description

Brown bands of graftonite in a matrix of quartz and dark brown triphylite. Exchanged in 1977 with US collector Jessie Hardman.

Ex René Virlet collection.

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Graftonite

Formula: 
(Fe2+,Mn2+,Ca)3(PO4)2
Strunz: 
8.AB.20
Hardness: 
5.0
Type Locality: 
Melvin Mountain, Grafton, Grafton Co., New Hampshire, USA

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