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Goedkenite & Palermoite

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BCK529079

Goedkenite & Palermoite

Rare Mineral

Description Tabs

Description
Locality: 
Palermo 1 Mine, Grafton County, New Hampshire, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.3 × 1.3 cm
Description

You are bidding on an exceptional specimen of goedkenite with numerous (more than a hundred) tabular goedkenite crystals epitaxial on palermoite or growing on their own. This is a world class sample of this mineral from my personal collection. 

Mineral Data
What's on the rock

Goedkenite

Formula: 
Sr2Al(PO4)2(OH)
Strunz: 
8.BG.05
Hardness: 
5.0
Type Locality: 
Palermo No. 1 Mine (Palermo No. 1 pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USA

Palermoite

Formula: 
(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4
Strunz: 
8.BH.25
Crystal System: 
Orthorhombic Vertically striated prisms.
Hardness: 
5.5
Streak: 
White
Type Locality: 
Palermo No. 1 Mine (Palermo No. 1 pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USA

Seller Information

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