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Whitlockite Quartz & Siderite

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BCK652725

Whitlockite Quartz & Siderite

Kay Robertson collection
Type Locality

Description Tabs

Description
Locality: 
Palermo 1 Mine, Grafton County, New Hampshire, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 4.4 × 1.9 cm
Description

You are bidding on a small sample with numerous vugs hosting sharp, quite large rhombohedral crystals of whitlockite with siderite and the classic "herkimer" like quartz typical of Palermo. Classic material from the Kay Robertson collection. 

Mineral Data
What's on the rock

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

Seller Information

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