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0 item @ $0.00  

Londonite with Muscovite

#48444

Londonite with Muscovite

#48444
Availability
Sold
Size
4.5 x 4 x 3 cm - Miniature 
Formula
CsBe5Al4B11O28 (RRUFF)
Locality
Antsongomvato mine, Betroka dist., Antananarivo, Madagascar
Tagged
beryllium , pegmatite mineral

Superb pale green Londonite crystal to 1.1cm with several smaller crystals nestled nicely in Muscovite crytsals.  North Star Minerals tag stating that it was in the collection of Dr. David London and acquired by Dr. Fredic Pezzotta. Very Rare.

Londonite

Formula
CsBe5Al4B11O28 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, white, yellow 
Streak
white 
Class
Isometric - Hextetrahedral 
Fracture
Brittle - Conchoidal 
Hardness

Data courtesy of Webmineral.

Collection
Ex. Dr. David London
Mineralpedia
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On Dakota Matrix
Previously Sold Londonite
On Dakota Matrix
Other Available Londonite
WebMineral
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Mindat
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