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Ashcroftine-(Y)

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GMN772495

Ashcroftine-(Y)

Description Tabs

Description
Locality: 
Mont Saint-Hilaire, Montérégie, Québec, Canada
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 0.7 × 1 cm
Description

A lot of pinkish elongated crystals on matrix.

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

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