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Lokkaite-(Y) & Thalénite-(Y)

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SER621071

Lokkaite-(Y) & Thalénite-(Y)

Description Tabs

Description
Locality: 
Hundholmen, Tysfjord, Nordland, Norway
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.1 × 1.5 cm
Description

White emispheres of lokkaite-(Y) on brown thelenite-(Y); collected 2017

Mineral Data
What's on the rock

Lokkaite-(Y)

Formula: 
Ca(Y,Gd,Nd,Dy)4(CO3)7·9H2O
Strunz: 
5.CC.15
Crystal System: 
Orthorhombic
Hardness: 
0.0
Streak: 
white
Type Locality: 
Pyörönmaa pegmatite, Kangasala, Western and Inner Finland Region, Finland