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0 item @ $0.00  

Gold & Rare Minerals

Friday, 02 February 2018 06:00 PM

Introducing the "Gold & Rare Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including fluorbritholite-(y), nabalamprophyllite, raisaite, and reppiaite and more from places like Vyuntspakhk Mt., W. Keivy, Kola Peninsula, Russia, Mica mine, Kovdor Massif, Kola, Russia, Sentyabr'skoe Ag-Au deposit, Ilirney ore district, Western Chukotka, Russia, and Gambatesa mine, Reppia, Graveglia Valley, Genova prov., Liguria, Italy.

Fluorbritholite-(Y)

#BN48243
Locality
Vyuntspakhk Mt., W. Keivy, Kola Peninsula, Russia 
Formula
(Y,Ca)5(SiO4)3
Availability
Available
Price
$20.00
Size
0.1 x 0.1 x 0.1 cm - Thumbnail 
Tagged
REE mineral  
Special Info
Type Locality 

Root beer colored 1mm grain.


Collection
Don Phillips Collection
Special Info
Type Locality

Nabalamprophyllite

#46465
Locality
Mica mine, Kovdor Massif, Kola, Russia 
Formula
Na3(BaNa)Ti3(Si2O7)2O2(OH)2 
Availability
Available
Price
$55.00
Size
3 x 2.5 x 2.5 cm - Thumbnail 
Special Info
Type Locality 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 

Tiny brown grains and stringers up to 2mm. Found in perakaline pegmatites. Rare.


Nabalamprophyllite

Formula
Na3(BaNa)Ti3(Si2O7)2O2(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Prismatic 
Cleavage
Perfect, None, None 
Luster
Vitreous - Adamantine 
Color
brown, yellowish brown 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness
Special Info
Type Locality
Special Info
XRD Confirmed
Special Info
EDS Confirmed
NEW IMA
Raisaite - 49293

Raisaite

#49293
Locality
Sentyabr'skoe Ag-Au deposit, Ilirney ore district, Western Chukotka, Russia 
Formula
CuMg[Te6+O4(OH)2]ยท6H2
Availability
Available
Price
$195.00
Notes
Discounts/Promos do NOT apply to this item
Size
4 x 2.2 x 1.8 cm - Miniature 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 
Special Info
Type & Only Locality 
Special Info
Author's Material 

A tiny less than 1mm groups and clusters of sky blue Raisaite. There are two groups and the crystals not visually defineable. Very rare new mineral. This is was recently described by Dr. Igor Pekov and this specimen was one of his study pieces. Verified of course. No photo since I am here in Tucson and have not my equipment. 


Special Info
XRD Confirmed
Special Info
EDS Confirmed
Special Info
Type & Only Locality
Special Info
Author's Material
On Dakota Matrix
Previously Sold Raisaite
On Dakota Matrix
Other Available Raisaite
WebMineral
View Raisaite
Mindat
View Raisaite

Reppiaite

#PD48250
Locality
Gambatesa mine, Reppia, Graveglia Valley, Genova prov., Liguria, Italy 
Formula
Mn2+5(VO4)2(OH)4 
Availability
Available
Price
$15.00
Size
0.2 x 0.2 x 0.1 cm - Thumbnail 
Tagged
vanadium  
Special Info
Type Locality 
Special Info
Author's Material 

Reddish brown chip 2mm! Author's study specimen.


Reppiaite

Formula
Mn2+5(VO4)2(OH)4 
Crystal System
Monoclinic 
Crystal Habit
Tabular 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
orange red 
Streak
orange 
Class
Monoclinic - Prismatic 
Hardness
3-3.5 
Collection
Don Phillips Collection
Special Info
Type Locality
Special Info
Author's Material

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