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Whitlockite Palermoite Goedkenite & Beraunite

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BCK513847

Whitlockite Palermoite Goedkenite & Beraunite

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: 
4.5 × 3.5 × 1.9 cm
Largest Crystal: 
0.60cm
Description

You are bidding on a fabulous sample of many rare minerals from the famous Palermo Mine. A large vug hosts whitlockite crystals to 6mm(!) some of which are coated with small clusters of beraunite and rockbridgeite all on siderite. On the back of the specimen are two vugs hosting small groups of goedkenite crystals on palermoite. A really amazing piece with three type locality species on one matrix!

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

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

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

Beraunite

Formula: 
Fe2+Fe3+5(PO4)4(OH)5·6H2O
Group Parent: 
Beraunite Group
Strunz: 
8.DC.27
Crystal System: 
Monoclinic
Hardness: 
3.0 - 4.0
Type Locality: 
Hrbek Mine, Svatá Dobrotivá (St Benigna), Beroun (Beraun), Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic

Seller Information

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