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Kainosite-(Y) & Hellandite

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SKY870691

Kainosite-(Y) & Hellandite

Rare Mineral

Description Tabs

Description
Locality: 
Lindvikskollen Quarry, Kragerø, Vestfold og Telemark, Norway
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 2 cm
Description

Orange-brown kainosite aggregates pseudomorph of hellandite from Norway.

Ex.Dr.Hartel collection .

It includes an original label from Wilke Minaralien

Mineral Data
What's on the rock

Kainosite-(Y)

Formula: 
Ca2(Y,Ce)2(Si4O12)(CO3)·H2O
Strunz: 
9.CF.10
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 6.0
Type Locality: 
Igletjødn feldspar quarry (Igletjern), Hæstad, Hidra (Hitterø), Flekkefjord, Vest-Agder, Norway

Hellandite

Synonym Of: 

Hellandite-(Ce)

Formula: 
(Ca,REE)4Ce2Al(Be,Li)2-xB4Si4O22(OH)2
Strunz: 
9.DK.20
Hardness: 
0.0

Hellandite-(Y)

Formula: 
(Ca,REE)4Y2Al(Be,Li)2-xB4Si4O22(OH)2
Strunz: 
9.DK.20
Hardness: 
5.5

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