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Ashcroftine-(Y)

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BCK604728

Ashcroftine-(Y)

Type Locality

Description Tabs

Description
Locality: 
Narssârssuk Pegmatite, Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.3 × 1.8 cm
Description

You are bidding on a small sample with an area hosting pale pink sprays of rare ashcroftine-Y filling vugs in matrix. Ashcroftine is very rare from the type locality. 

Mineral Data
What's on the rock

Ashcroftine-(Y)

Formula: 
K5Na5(Y,Ca)12Si28O70(OH)2(CO3)8·8H2O
Strunz: 
9.DN.15
Crystal System: 
Tetragonal
Hardness: 
5.0
Colour: 
Pink
Streak: 
White
Type Locality: 
Narsaarsuk pegmatite (Narssârssuk pegmatite), Narsaarsuk Plateau, Igaliku (Igaliko), Narsaq, Kujalleq, Greenland

Seller Information

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