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Calcioancylite-(Ce) Aegirine & Microcline

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PDM826639

Calcioancylite-(Ce) Aegirine & Microcline

Description Tabs

Description
Locality: 
Tuften, Tvedalen, Larvik, Vestfold og Telemark, Norway
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.1 × 1.9 cm
Description

Pinkish white tabular crystals of calcioancylite-(Ce) on microcline with sharp green-black aegirine.

Ex. Jan Sibtsen #1288.

Mineral Data
What's on the rock

Calcioancylite-(Ce)

Formula: 
(Ca,Sr)Ce(CO3)2(OH)·H2O
Strunz: 
5.DC.05
Crystal System: 
Orthorhombic
Hardness: 
4.0 - 4.5

Aegirine

Formula: 
NaFe3+Si2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.25
Crystal System: 
Monoclinic
Hardness: 
6.0
Type Locality: 
Rundemyr, Øvre Eiker, Buskerud, Norway

Microcline

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Arendal, Aust-Agder, Norway

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