Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Hellandite-(Y) Kainosite-(Y) & Tengerite-(Y)

Views:
Watches:
UVM670954

Hellandite-(Y) Kainosite-(Y) & Tengerite-(Y)

Joseph Urban
Classic Locality

Description Tabs

Description
Locality: 
Evans-Lou Mine, Lac Saint-Pierre, Val-des-Monts, Outaouais, Québec, Canada
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.3 × 2 cm
Description

Colorless ctrystals of kainosite-(y) on hellandite-(y) matrix, with white tengerite-(y).   Old material with label from the collection of Joseph Urban.

Mineral Data
What's on the rock

Hellandite-(Y)

Formula: 
(Ca,REE)4Y2Al(Be,Li)2-xB4Si4O22(OH)2
Strunz: 
9.DK.20
Crystal System: 
Monoclinic
Hardness: 
5.5
Type Locality: 
Lindvikskollen quarry, Lindvikskollen-Kalstadgangen pegmatite, Kragerø, Telemark, Norway

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

Tengerite-(Y)

Formula: 
Y2(CO3)3·2-3H2O
Strunz: 
5.CC.10
Hardness: 
0.0
Colour: 
White
Streak: 
white
Type Locality: 
Ytterby, Resarö, Vaxholm, Uppland, Sweden

Seller Information

Payment options: offline, paypal_wpp, paypal_wps