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Beryl - beryllium ore

#DL58570

Beryl - beryllium ore

#DL58570
Availability
Sold
Size
12 x 10 x 7 cm - Cabinet 
Formula
Be3Al2Si6O18 (RRUFF)
Locality
Hale quarry, Portland, Middlesex Co., Connecticut, United States
Tagged
ore mineral , beryllium , pegmatite mineral

A large bluish green Beryl crystal with a termination 10cm across. A thorough explanation of the mine can be found on Mindat, please click here Hale quarry summary. Beryl contains about 14% beryllium oxide and is usually found in granite pegmatites. Beryllium is one of the lightest of all metals and has one of the highest melting points. Much of the beryllium produced is used in beryllium copper alloys used in springs, electrical contacts, spot-welding electrodes, and in aero-space applications.

Beryl

Formula
Be3Al2Si6O18 
Crystal System
Hexagonal 
Crystal Habit
Crystalline - Coarse, Prismatic, Columnar 
Cleavage
Imperfect, None, None 
Luster
Vitreous - Resinous 
Color
green, blue, yellow, colorless, pink 
Streak
white 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
7.5-8 

Data courtesy of Webmineral.

Collection
Dr. David London Collection
Mineralpedia
View Beryl
On Dakota Matrix
Previously Sold Beryl
On Dakota Matrix
Other Available Beryl
WebMineral
View Beryl
Mindat
View Beryl

Other Sold

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