mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
0 item @ $0.00  

Rare Minerals

Sunday, 29 October 2023 03:00 PM

Introducing the "Rare Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including agardite-(y), and fluorapatite and more from places like Bou Skour mine, Ourzazate prov., Morocco, and Saxony, Germany.

Agardite-(Y)

#62703
Locality
Bou Skour mine, Ourzazate prov., Morocco 
Formula
Cu2+6Y(AsO4)3(OH)6·3H2
Availability
Available
Price
$30.00
Size
1.7 x 1.5 x 1 cm - Thumbnail 
Tagged
arsenate , copper  
Special Info
Type Locality 

Bluish green acicular crysatls in bunches to 1mm.


Agardite-(Y)

Formula
Cu2+6Y(AsO4)3(OH)6·3H2
Crystal System
Hexagonal 
Crystal Habit
Acicular, Rosette, Spherical 
Luster
Vitreous (Glassy) 
Color
blue green, blue 
Streak
greenish white 
Class
Hexagonal - Dipyramidal 
Hardness
3-4 
Special Info
Type Locality

Fluorapatite

with Fluorite - #BAC62682
Locality
Saxony, Germany 
Formula
Ca5(PO4)3
Availability
Available
Price
$40.00
Size
5 x 3.5 x 2.2 cm - Miniature 
Tagged
phosphate  

An old-timer specimen with an old number on it...(#469) if that means anything. The Fluorapatite is 7mm adjacent to a purple Fluorite crystal to 1.1cm. There are also numerous tiny Fluorapatite crystals scattered around matrix.


Fluorapatite

Formula
Ca5(PO4)3
Crystal System
Hexagonal 
Crystal Habit
Massive - Granular, Euhedral Crystals 
Cleavage
Indistinct, None, None 
Luster
Vitreous - Resinous 
Color
blue, brown, colorless, violet, green 
Streak
white 
Class
Hexagonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
Collection
William & Anne Cook Collection

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2024 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map