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0 item @ $0.00  

Microlite with Zircon(?)

#BAC61772

Microlite with Zircon(?)

#BAC61772
Availability
Sold
Size
5 x 2.2 x 1.5 cm - Miniature 
Formula
(Ca,Na)2Ta2(O,OH,F)7 (RRUFF)
Locality
Ipe mine, Governador Valaderas, Minas Gerais, Brazil
Tagged
pegmatite mineral

Virtually all the orange are tiny octahedral crystals of Microlite with white sprays of Zircon. This is a strange morphology for Zircon. I'm hesitant on calling it Zircon, but it is labeled as such on the Luiz Menezes tag.

Microlite

Formula
(Na,Ca)2Ta2O6(O,OH,F) 
Crystal System
Isometric 
Crystal Habit
Disseminated, Pseudo Octohedral 
Cleavage
Indistinct, Indistinct, Indistinct 
Luster
Vitreous - Resinous 
Color
yellowish brown, reddish brown, greenish brown, green, gray 
Streak
light yellow 
Class
Isometric - Hexoctahedral 
Fracture
Sub Conchoidal 
Hardness
5-5.5 

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Microlite
On Dakota Matrix
Other Available Microlite
WebMineral
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Mindat
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