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1 item @ $25.00  

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.

Phenakite

#64247
Locality
São Miguel de Piracicaba, Minas Gerais, Brazil 
Formula
Be2SiO4 
Availability
Sold
Size
1.3 x 1 x .08 cm - Thumbnail 
Tagged
beryllium  

Water clear complex crystal.


Phenakite

Formula
Be2SiO4 
Crystal System
Trigonal 
Crystal Habit
Massive - Fibrous, Granular 
Cleavage
Distinct, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, wine yellow, yellow, pink, pinkish red 
Streak
white 
Class
Trigonal - Rhombohedral 
Fracture
Brittle - Conchoidal 
Hardness
7.5-8 
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Phenakite

#AH64249
Locality
Mt. Antero, Chaffee Co., Colorado, United States 
Formula
Be2SiO4 
Availability
Sold
Size
1.7 x 1 x 1 cm - Thumbnail 
Tagged
beryllium  

Two very lustrous crystals.


Phenakite

Formula
Be2SiO4 
Crystal System
Trigonal 
Crystal Habit
Massive - Fibrous, Granular 
Cleavage
Distinct, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, wine yellow, yellow, pink, pinkish red 
Streak
white 
Class
Trigonal - Rhombohedral 
Fracture
Brittle - Conchoidal 
Hardness
7.5-8 
Collection
Arnold G Hampson Collection
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SOLD
Semenovite-(Ce) - 44157
Semenovite-(Ce) - 44157

Semenovite-(Ce)

#44157
Locality
Taseq Slope, Ilimaussaq complex, Kitaa prov., Greenland 
Formula
(Na,Ca)9Fe2+Ce2(Si,Be)20(O,OH,F)48 
Availability
Sold
Size
3 x 2.5 x 2 cm - Thumbnail 
Special Info
Type Locality 

Creamy tan crystals to about 0.75mm.


Semenovite-(Ce)

Special Info
Type Locality

Semenovite-(Ce)

#BAC64269
Locality
Taseq Slope, Ilimaussaq complex, Kitaa prov., Greenland 
Formula
(Na,Ca)9Fe2+Ce2(Si,Be)20(O,OH,F)48 
Availability
Sold
Size
4 x 3 x 2.5 cm - Miniature 
Tagged
beryllium  
Special Info
Type Locality 

Creamy brown crystals to 1mm.


Semenovite-(Ce)

Collection
William & Anne Cook Collection
Special Info
Type Locality
SOLD
Tugtupite - 63686
Tugtupite - 63686

Tugtupite

#63686
Locality
Shkatulka peg., Umbozero mine, Alluaiv Mt., Lovozero, Kola Peninsula, Russia 
Formula
Na4BeAlSi4O12Cl 
Availability
Sold
Size
4 x 2.3 x 1.7 cm - Miniature 
Tagged
beryllium  
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 

Red segregations.


Tugtupite

Formula
Na4BeAlSi4O12Cl 
Crystal System
Tetragonal 
Crystal Habit
Massive 
Cleavage
Imperfect, None, None 
Luster
Vitreous - Greasy 
Color
white, pink, crimson, blue, green 
Streak
white 
Class
Tetragonal - Disphenoidal 
Fracture
Uneven 
Hardness
Special Info
XRD Confirmed
Special Info
EDS Confirmed
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Tugtupite

with Chkalovite & Ussingite - #64268
Locality
Umbozero mine, Alluaiv Mt, Lovozero Massif, Kola Peninsula, Russia 
Formula
Na4BeAlSi4O12Cl 
Availability
Sold
Size
3.7 x 2 x 0.7 cm - Miniature 
Tagged
beryllium  

Tiny red rim of Tugtupite dividing purple Ussingite and Chkalovite.


Tugtupite

Formula
Na4BeAlSi4O12Cl 
Crystal System
Tetragonal 
Crystal Habit
Massive 
Cleavage
Imperfect, None, None 
Luster
Vitreous - Greasy 
Color
white, pink, crimson, blue, green 
Streak
white 
Class
Tetragonal - Disphenoidal 
Fracture
Uneven 
Hardness
Mineralpedia
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