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Mixed Minerals

Sunday, 27 December 2020 07:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including microlite group - pyrochlore supergroup, molybdenite, monticellite, mosesite, normandite, and novacekite and more from places like Mont Saint-Hilaire, Rouville Co., Quebec, Canada, Crestmore, Riverside Co., California, United States, Terlingua dist., Brewster Co., Texas, United States, and Animas mine, Francisco Portillo, Santa Eulalia dist., Chihuahua, Mexico.

Microlite Group - Pyrochlore Supergroup

#DC54852
Locality
Mont Saint-Hilaire, Rouville Co., Quebec, Canada 
Formula
A2-mD2X6-w Z1-n 
Availability
Available
Price
$40.00
Size
3.5 x 2.5 x 3 cm - Miniature 

Dozens of micro (less than 0.25mm) Microlite crystals clinging for life on the Aegerine spray in the photo. Really cool under the scope.


Collection
Don Cooke Collection

Molybdenite

#DC54858
Locality
Mont Saint-Hilaire, Rouville Co., Quebec, Canada 
Formula
MoS2 
Availability
Sold
Size
1.5 x 1 x 1 cm - Thumbnail 
Tagged
sulfide  

Tiny, but abundant pods of Molybdenite to around 1mm and less with Albite and Aegerine.


Molybdenite

Formula
MoS2 
Crystal System
Hexagonal 
Crystal Habit
Foliated, Massive, Disseminated 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
black, lead gray, gray 
Streak
greenish gray 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Sectile 
Hardness
Collection
Don Cooke Collection

Monticellite

in Calcite - #FD54796
Locality
Crestmore, Riverside Co., California, United States 
Formula
CaMgSiO4 
Availability
Sold
Size
7 x 5.5 x 4 cm - Sm Cabinet 

1-3mm yellow crystals with and without luster throughout blue Calcite matrix. A vein of possible Scawtite shoots up the middle.


Monticellite

Formula
CaMgSiO4 
Crystal System
Orthorhombic 
Crystal Habit
Crystalline - Fine, Prismatic 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, greenish gray, gray 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
Collection
Fred DeVito Collection

Mosesite

#54798
Locality
Terlingua dist., Brewster Co., Texas, United States 
Formula
Hg2N(Cl,SO4,MoO4,CO3)·H2
Availability
Sold
Size
4.5 x 2 x 1 cm - Miniature 
Special Info
Type Locality 

An exceptional specimen with good rich thick coverage of lemon yellow 1mm isometric crystals with a variety of cubic forms. You really can't get much better than this.


Mosesite

Formula
Hg2N(Cl,SO4,MoO4,CO3)·H2
Crystal System
Isometric 
Crystal Habit
Cubic Crystals 
Cleavage
Indistinct, None, None 
Luster
Adamantine 
Color
yellow, light green, olive green 
Streak
light yellow 
Class
Isometric - Hextetrahedral 
Fracture
Brittle - Uneven 
Hardness
3-4 
Special Info
Type Locality
Mineralpedia
View Mosesite
On Dakota Matrix
Previously Sold Mosesite
On Dakota Matrix
Other Available Mosesite
WebMineral
View Mosesite
Mindat
View Mosesite

Normandite

#DC54864
Locality
Mont Saint-Hilaire, Rouville Co., Quebec, Canada 
Formula
NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF 
Availability
Sold
Size
3 x 3 x 3 cm - Thumbnail 

Orange, compact, fibrous Normandite groups 3mm. Rich.


Normandite

Formula
NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF 
Crystal System
Monoclinic 
Crystal Habit
Euhedral Crystals, Prismatic, Acicular 
Cleavage
Distinct, Distinct, None 
Luster
Vitreous - Adamantine 
Color
yellow, orange brown, orange 
Streak
pale yellowish white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
5-6 
Collection
Don Cooke Collection
SOLD
Novacekite - 53698
Novacekite - 53698

Novacekite

#53698
Locality
Animas mine, Francisco Portillo, Santa Eulalia dist., Chihuahua, Mexico 
Formula
Mg(UO2)2(AsO4)2·12H2
Availability
Sold
Size
4 x 3.5 x 3.5 cm - Miniature 
Tagged
arsenate  

Yellow plates on Aragonite. It is crumbly so expect crumbs if you buy it. 


Novacekite

Formula
Mg(UO2)2(AsO4)2*12(H2O) 
Crystal System
Tetragonal 
Cleavage
Perfect, Indistinct, Indistinct 
Luster
Vitreous (Glassy) 
Color
light yellow, straw yellow 
Streak
yellow white 
Class
Tetragonal - Dipyramidal 
Hardness
2.5 

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