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1 item @ $25.00  
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Harmotome

#DS44316
SOLD
Harmotome from Bellsgrove mine, Strontian, Argyllshire, Scotland - DS44316
Harmotome from Bellsgrove mine, Strontian, Argyllshire, Scotland - DS44316

Harmotome

#DS44316
Availability
Sold
Size
7.5 x 5 x 2.5 cm - Sm Cabinet 
Formula
Ba2(Si12Al4)O32·12H2O (RRUFF)
Locality
Bellsgrove mine, Strontian, Argyllshire, Scotland

Nicely crystallized, white Harmotome to 6mm with good luster and found here with Calcite. The Calcite is fluorescent red as is the Harmotome, which is FL light orange.

Harmotome

Formula
Ba2(Si12Al4)O32·12H2O 
Crystal System
Monoclinic 
Crystal Habit
Twinning Common, Cruciform, Striated 
Cleavage
Good, Fair, None 
Luster
Vitreous (Glassy) 
Color
white, gray, yellow, red, brown 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
4-5 

Data courtesy of Webmineral.

Collection
Shultz Collection
Mineralpedia
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On Dakota Matrix
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WebMineral
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