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Hexagonite - rare terminated Mg Tremolite
Hexagonite - rare terminated Mg Tremolite Hexagonite - rare terminated Mg Tremolite Hexagonite - rare terminated Mg Tremolite
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Hexagonite - rare terminated Mg Tremolite (Ref: 19.1-377)

Gouverneur Mine, Fowler, St. Lawrence County, New York, United States
28mm x 8mm x 3mm
minID: RWV-AG4
A rare, choice gem clear thumbnail of lilac color Hexagonite (var of Tremolite). The termination on this is complex being made of many tiny points in a tapering structure. Transparent with some color zoning seen when backlit. I believe that St. Lawrence County is the only place where this mineral occurs being found at just 4 locations. However only the Gouverneur Mine ever produced any of this sort of clear terminated crystal and not many of them. This was named when it was thought the crystal form was Hexagonal, however it was later determined to be Monoclinic. The crystal here is in fine condition, has clear striations along the prism faces and a very rich color.
From: Well-Arranged Molecules
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See Also

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Gouverneur, St. Lawrence Co., New York, USA
$180
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Tremolite
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Tremolite NEW YORK
Gouverneur, St. Lawrence Co., New York, USA
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Tremolite
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$120
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Chrome Tremolite
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$950
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Tremolite
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$84
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Tremolite
Khash & Kuran Wa Munjan Districts, Badakhshan, Afghanistan
$950
50mm x 20mm x 10mm
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Tremolite
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$950
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Tremolite
Merelani Hills, Arusha, Tanzania
$550
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Tremolite
Khash & Kuran Wa Munjan Districts, Badakhshan, Afghanistan
$1100
110mm x 38mm x 21mm
From: Weinrich Minerals
Tremolite
Khash & Kuran Wa Munjan Districts, Badakhshan, Afghanistan
$1200
55mm x 55mm x 30mm
From: Weinrich Minerals
Tremolite
Merelani Hills, Arusha, Tanzania
$1200
50mm x 20mm x 8mm
From: Marin Minerals
Tremolite
Merelani Hills, Simanjiro, Manyara, Tanzania
$365
33mm x 21mm x 5mm
From: Weinrich Minerals
Tremolite on Tanzanite
Merelani Hills, Arusha, Tanzania
$350
37mm x 10mm x 7mm
From: Marin Minerals
* price is an approximate conversion and may not be accurate.

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