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1 item @ $25.00  
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Heulandite-Ca

#AH65038
SOLD
Heulandite-Ca from Teigarhorn, Berufjord, Djúpavogshreppur, Iceland - AH65038
Heulandite-Ca from Teigarhorn, Berufjord, Djúpavogshreppur, Iceland - AH65038

Heulandite-Ca

#AH65038
Availability
Sold
Size
17.5 x 12.5 x 7 cm - Cabinet 
Formula
NaCa4(Si27Al9)O72·24H2O (RRUFF)
Locality
Teigarhorn, Berufjord, Djúpavogshreppur, Iceland

Large cabinet specimen with prealy white crystals to 2cm. Very nice display specimen.

Heulandite-Ca

Formula
NaCa4(Si27Al9)O72·24H2O 
Crystal System
Monoclinic 
Crystal Habit
Tabular, Crystalline - Coarse 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
white, reddish white, grayish white, brownish white, yellow 
Streak
white 
Class
Monoclinic 
Fracture
Brittle 
Hardness
3-3.5 

Data courtesy of Webmineral.

Collection
Arnold G Hampson Collection
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