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Loudounite & Ancylite-(Ce)

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BCK524067

Loudounite & Ancylite-(Ce)

Type Locality

Description Tabs

Description
Locality: 
Virginia Trap Rock Quarry, Loudoun County, Virginia, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.3 × 0.9 cm
Description

You are bidding on a small specimen with a vug in chlorite that is bearing a single, small gray cluster of extremely rare loudounite. Also in the vug is a bladed group of ancylite crystals which is very rare from this quarry. 

Mineral Data
What's on the rock

Loudounite

Formula: 
NaCa5Zr4Si16O40(OH)11·8H2O
Strunz: 
9.HF.10
Hardness: 
0.0
Type Locality: 
New Goose Creek Quarry (Luck Company Quarry), Leesburg, Loudoun Co., Virginia, USA

Ancylite-(Ce)

Formula: 
SrCe(CO3)2(OH)·H2O
Strunz: 
5.DC.05
Crystal System: 
Orthorhombic
Hardness: 
4.0 - 4.5
Streak: 
White
Type Locality: 
Narsaarsuk pegmatite (Narssârssuk pegmatite), Narsaarsuk Plateau, Igaliku (Igaliko), Narsaq, Kujalleq, Greenland

Seller Information

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