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Palermoite & Goyazite

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BCK668250

Palermoite & Goyazite

Robert Whitmore collection
Type Locality

Description Tabs

Description
Locality: 
Palermo 1 Mine, Grafton County, New Hampshire, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.4 × 5.6 × 5.4 cm
Description

You are bidding on a large and extremely rich sample of palermoite from Robert Whitmore's personal collection. A chunk of smoky quartz hosts hundreds of prisms of palermoite in several vugs on the matrix. They are assocaited with thousands of tiny colorless pseudocubes of goyazite, in some cases the goyazite is completely coating the prisms of palermoite. This is an incredibly rich sample of the species and could be carefully trimmed into several good specimens. 

Mineral Data
What's on the rock

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

Goyazite

Formula: 
SrAl3(PO4)2(OH)5·H2O
Strunz: 
8.BL.10
Crystal System: 
Hexagonal
Hardness: 
4.5 - 5.0
Type Locality: 
Diamantina, Jequitinhonha valley, Minas Gerais, Brazil

Seller Information

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