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Ashcroftine-(Y)

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CAM124565

Ashcroftine-(Y)

Type Locality

Description Tabs

Description
Locality: 
Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland
Size Range: 
Micromount (under 1cm)
Size: 
0.8 × 0.7 × 0.4 cm
Description

Pink sprays of ashcroftine Y on matrix. A good example of this rare silicate 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
Cartils Minerals

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