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 for Sale

Sunday, 02 February 2025 05:00 PM

Introducing the "Rare Minerals for Sale" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including emmonsite, imiterite, lovdarite, moraesite, and vivianite and more from places like Moctezuma mine, Moctezuma, Sonora, Mexico, Imiter mine, Anti-Atlas Mts., Dades Region, Morocco, Yubileinaya peg., Karnasurt Mt., Lovozero Massif, Kola Pen., Russia, Itinga, Minas Gerais, Brazil, and Kerch Peninsula, Crimea, Russia.

Emmonsite

#JD65384
Locality
Moctezuma mine, Moctezuma, Sonora, Mexico 
Formula
Fe3+2(Te4+O3)3·2H2
Availability
Available
Price
$50.00
Size
5 x 3 x 3 cm - Miniature 
Tagged
tellurium  

Green "worm-like" crystals to 1mm.


Emmonsite

Formula
Fe3+2(Te4+O3)3·2H2
Crystal System
Triclinic 
Crystal Habit
Mammillary 
Cleavage
Perfect, None, None 
Luster
Vitreous - Dull 
Color
yellow, greenish yellow 
Class
Triclinic - Pinacoidal 
Hardness
2-2.5 
Collection
John Dagenais Collection
Mineralpedia
View Emmonsite
On Dakota Matrix
Previously Sold Emmonsite
On Dakota Matrix
Other Available Emmonsite
WebMineral
View Emmonsite
Mindat
View Emmonsite

Imiterite

#BAC63840
Locality
Imiter mine, Anti-Atlas Mts., Dades Region, Morocco 
Formula
Ag2HgS2 
Availability
Available
Price
$45.00
Size
2 x 1.5 x 1.5 cm - Thumbnail 
Tagged
sulfide , silver  

Tiny silvery acicular crystals less than 1mm.


Imiterite

Formula
Ag2HgS2 
Crystal System
Monoclinic 
Luster
Metallic 
Color
light gray, black, silver gray 
Streak
dark gray 
Class
Monoclinic - Prismatic 
Hardness
2.5-3 
Collection
William & Anne Cook Collection
Mineralpedia
View Imiterite
On Dakota Matrix
Previously Sold Imiterite
On Dakota Matrix
Other Available Imiterite
WebMineral
View Imiterite
Mindat
View Imiterite

Lovdarite

#57796
Locality
Yubileinaya peg., Karnasurt Mt., Lovozero Massif, Kola Pen., Russia 
Formula
K2Na6Be4Si14O36·9H2
Availability
Available
Price
$55.00
Size
1.5 x 1 x 1 cm - Thumbnail 
Tagged
beryllium  
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 

White acicular crystals to 1mm. Lovdarite is a very rare beryllium mineral found in just a few localities in the world. This piece was identified byr Dr. Igor Pekov.


Lovdarite

Formula
K2Na6Be4Si14O36·9H2
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Radial 
Cleavage
Distinct, Distinct, Distinct 
Luster
Vitreous (Glassy) 
Color
colorless, yellow, yellowish white, white 
Streak
white 
Class
Orthorhombic - Pyramidal 
Hardness
5-6 
Special Info
XRD Confirmed
Special Info
EDS Confirmed
Mineralpedia
View Lovdarite
On Dakota Matrix
Previously Sold Lovdarite
On Dakota Matrix
Other Available Lovdarite
WebMineral
View Lovdarite
Mindat
View Lovdarite

Moraesite

#40407
Locality
Itinga, Minas Gerais, Brazil 
Formula
Be2PO4(OH)·4H2
Availability
Available
Price
$50.00
Size
1.5 x 1 x 1 cm - Thumbnail 
Tagged
phosphate , beryllium , pegmatite mineral  

A mass of snow white fibrous crystals.


Moraesite

Formula
Be2PO4(OH)·4H2
Crystal System
Monoclinic 
Crystal Habit
Spherical, Druse, Encrustations 
Cleavage
Perfect, None, None 
Color
white 
Streak
white 
Class
Monoclinic 
Hardness
Collection
Don Phillips Collection
Mineralpedia
View Moraesite
On Dakota Matrix
Previously Sold Moraesite
On Dakota Matrix
Other Available Moraesite
WebMineral
View Moraesite
Mindat
View Moraesite

Vivianite

#62597
Locality
Kerch Peninsula, Crimea, Russia 
Formula
Fe2+3(PO4)2·8H2
Availability
Available
Price
$45.00
Size
4.3 x 1.6 x 1.4 cm - Miniature 
Tagged
phosphate  

Dark green bladed cyrstals to 3cm.


Vivianite

Formula
Fe2+3(PO4)2·8H2
Crystal System
Monoclinic 
Crystal Habit
Divergent, Concretionary, Earthy 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
colorless, green, blue, dark green, dark bluish green 
Streak
bluish white 
Class
Monoclinic - Prismatic 
Fracture
Sectile 
Hardness
1.5-2 
Mineralpedia
View Vivianite
On Dakota Matrix
Previously Sold Vivianite
On Dakota Matrix
Other Available Vivianite
WebMineral
View Vivianite
Mindat
View Vivianite

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2025 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map