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Aquamarine

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PCZ115671

Aquamarine

Description Tabs

Description
Locality: 
Diamond Rocks, Mourne Mountains, County Down, Northern Ireland, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4 × 4 cm
Largest Crystal: 
0.80cm
Description

The granite matrix has three areas of interest. The first is a lovely 0.7cm parallel twin of pale green/blue crystals. There are well terminated and nicely nestled among smokey quartz, orthoclase and mica crystals. Secondly there is a 2x1cm area with numerous small slender aquamarine crystals (up to 0.5x0.1cm) many of which are terminated. finally the largest crystal shows a partially hidden termination and has a buttress of the small slender crystals on one side. This little matrix gem has considerably more beryls crystals on it than any other I have seen from the location.

Mineral Data
What's on the rock

Aquamarine

Variety Of: 

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Hardness: 
7.5 - 8.0
Formula: 
Be3Al2Si6O18
Hardness: 
0.0
Colour: 
Blue
Streak: 
White
Peter Crozier Minerals