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Kosnarite

#PD40410

Kosnarite

#PD40410
Availability
Sold
Size
1 x 0.7 x 0.7 cm - Thumbnail 
Formula
KZr2(PO4)3 (RRUFF)
Locality
Mount Mica quarry, Paris, Oxford Co., Maine, United States
Tagged
phosphate , pegmatite mineral

There are not too many zirconium phosphates on Earth. Maine has two of the localities, this one, Mount Mica, is the type locality. The specimen is small and in the photos you can easily see one of the cubes. It is trigonal and crystallizes as pseudocubes. The crystal at the arrow is about 0.5mm but there are about 8 or 9 of them in a cluster not too easily seen in the photos. It is etched out according to the stick on label on the plastic box.

Type Locality

Kosnarite

Formula
KZr2(PO4)3 
Crystal System
Trigonal 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, gray blue, light green 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Hardness
4.5 

Data courtesy of Webmineral.

Collection
Phillips Collection
Special Info
Type Locality
Mineralpedia
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Previously Sold Kosnarite
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