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1 item @ $25.00  
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Londonite

#DL48443
SOLD
Londonite from Antsongombato mine, Betroka dist., Antananarivo, Madagascar - DL48443
Londonite from Antsongombato mine, Betroka dist., Antananarivo, Madagascar - DL48443

Londonite

#DL48443
Availability
Sold
Size
5 x 4 x 1.5 cm - Miniature 
Formula
CsBe5Al4B11O28 (RRUFF)
Locality
Antsongombato mine, Betroka dist., Antananarivo, Madagascar
Tagged
beryllium , pegmatite mineral

Good lustrous yellow crystals to 1.5cm.

XRD Confirmed, EDS Confirmed, Signed Label

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
8 

Data courtesy of Webmineral.

Special Info
XRD Confirmed
Special Info
EDS Confirmed
Special Info
Signed Label
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