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Brazilianite & Whitlockite

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BCK163103

Brazilianite & Whitlockite

William Henderson collection
Rare Mineral

Description Tabs

Description
Locality: 
Palermo 1 Mine, Grafton County, New Hampshire, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 1 × 1 cm
Description

A smoky quartz point is host to dozens of colorless brazilianite crystals along with one single whitlockite (the whitlockite is so transparent that it is nearly invisible, see thumbnail photo) and nearly fibrous carbonate-fluorapatite prisms. A beautiful little micro. Collected by Bob Whitmore and acquired by William Henderson.

Mineral Data
What's on the rock

Brazilianite

Formula: 
NaAl3(PO4)2(OH)4
Strunz: 
8.BK.05
Crystal System: 
Monoclinic
Hardness: 
5.5
Streak: 
White
Type Locality: 
Córrego Frio mine, Linópolis, Divino das Laranjeiras, Doce valley, Minas Gerais, Brazil

Whitlockite

Formula: 
Ca9Mg(PO4)6(HPO4)
Group Parent: 
Whitlockite Group
Strunz: 
8.AC.45
Crystal System: 
Trigonal
Hardness: 
5.0 -
Colour: 
Colourless, grey-white, light pink, light yellow; colourless in transmitted light
Type Locality: 
Palermo No. 1 Mine Grafton County, New Hampshire, USA

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