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1 item @ $40.00  

Beryllium Minerals

Friday, 21 June 2024 06:00 PM

Minerals containing beryllium can be some of the rarest on earth. If you like rare minerals this is a must see Special Edition.

Helvine

#64254
Locality
Iron Mountain dist., Sierra Co., New Mexico, United States 
Formula
Mn2+4(BeSiO4)3
Availability
Sold
Size
4.5 x 3.5 x 2 cm - Miniature 
Tagged
beryllium  

Excellent deep red crystals.


Helvine

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Herderite

#CL64261
Locality
Shengus, Gilgit-Skardu road, Northern Areas, Pakistan 
Formula
CaBePO4
Availability
Sold
Size
4 x 3 x 2 cm - Miniature 
Tagged
phosphate , beryllium , pegmatite mineral  

Glassy faint blue complex Herderite crystals to 4mm. Very nice specimen.


Herderite

Formula
CaBePO4
Crystal System
Monoclinic 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
white, yellowish white, greenish white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Sub Conchoidal 
Hardness
Collection
Chet S. Lemanski, Jr. Collection
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Hydroxylherderite

#44086
Locality
Pomarolli mine, Linopolis, Divino das Laranjereiras, Minas Gerais, Brazil 
Formula
CaBePO4(OH) 
Availability
Sold
Size
4 x 3.5 x 1 cm - Miniature 
Tagged
phosphate , beryllium , pegmatite mineral  

Complex light tan crystals to 4mm.


Hydroxylherderite

Formula
CaBePO4(OH) 
Crystal System
Monoclinic 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
blue, blue green, colorless, greenish white, white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Sub Conchoidal 
Hardness
5-5.5 

Leifite

#63678
Locality
Pegmatite #61, Karnasurt Mt., Lovozero Massif, Kola Peninsula, Russia 
Formula
Na7Be2(Si15Al3)O39(F,OH)2 
Availability
Sold
Size
3.8 x 3.3 x 2 cm - Miniature 
Tagged
beryllium  
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 

Snow white fibrous crystals to 3mm in a 6mm cavity.


Leifite

Formula
Na7Be2(Si15Al3)O39(F,OH)2 
Crystal System
Trigonal 
Crystal Habit
Prismatic, Pseudo Hexagonal 
Cleavage
Good, Good, None 
Luster
Vitreous (Glassy) 
Color
colorless, white 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle 
Hardness
Special Info
XRD Confirmed
Special Info
EDS Confirmed
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Leucophanite

#63694
Locality
Hackmann Valley, Yukspor Mt, Khibiny Massif, Kola Peninsula, Russia 
Formula
NaCaBeSi2O6
Availability
Available
Price
$45.00
Size
1.8 x 1 x 1 cm - Thumbnail 
Tagged
beryllium  
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 

Cleaved portions of a Leucophanite crystal.


Leucophanite

Formula
NaCaBeSi2O6
Crystal System
Triclinic 
Crystal Habit
Tabular 
Cleavage
Good, Good, Distinct 
Luster
Vitreous (Glassy) 
Color
white, greenish yellow, yellow, light green 
Streak
white 
Class
Triclinic - Pedial 
Fracture
Brittle 
Hardness
Special Info
XRD Confirmed
Special Info
EDS Confirmed

Londonite

#DL48436
Locality
Antsongombato mine, Betroka dist., Antananarivo, Madagascar 
Formula
CsBe5Al4B11O28 
Availability
Sold
Size
4.5 x 4.5 x 3 cm - Miniature 
Tagged
beryllium , pegmatite mineral  
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 
Special Info
Signed Label 

Superb rich yellow crystals to 1.2cm. Comes with a signed label from Dr. David London.


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
Collection
Dr. David London Collection
Special Info
XRD Confirmed
Special Info
EDS Confirmed
Special Info
Signed Label
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