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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 pectolite, plombierite, prehnite, rutile, sabinaite, and sabugalite and more from places like Mont Saint-Hilaire, Rouville Co., Quebec, Canada, Crestmore, Riverside Co., California, United States, Prospect Park, Passaic Co., New Jersey, United States, Graves Mountain, Lincoln Co., Georgia, United States, and Jeannie K claims, Stateline Peak dist., Washoe Co., Nevada, United States.

Pectolite

#DC54853
Locality
Mont Saint-Hilaire, Rouville Co., Quebec, Canada 
Formula
NaCa2Si3O8(OH) 
Availability
Sold
Size
4 x 4 x 2 cm - Miniature 

Absolute clarity in these Pectolite crystals to 5mm in a thick forest.


Pectolite

Formula
NaCa2Si3O8(OH) 
Crystal System
Triclinic 
Crystal Habit
Acicular, Globular, Radial 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous - Silky 
Color
white, gray, light pink, light green 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Splintery 
Hardness
Collection
Don Cooke Collection
Mineralpedia
View Pectolite
On Dakota Matrix
Previously Sold Pectolite
On Dakota Matrix
Other Available Pectolite
WebMineral
View Pectolite
Mindat
View Pectolite

Plombierite

#FD54797
Locality
Crestmore, Riverside Co., California, United States 
Formula
Ca5Si6O16(OH)2·7H2
Availability
Sold
Size
7 x 4.5 x 4.5 cm - Sm Cabinet 

Silky stark white fibrous Plombierite in "veins" 1.5cm across. Good specimen.


Plombierite

Formula
Ca5Si6O16(OH)2·7H2
Crystal System
Monoclinic 
Crystal Habit
Amorphous, Massive 
Color
white 
Streak
white 
Class
Monoclinic - Sphenoidal 
Hardness
Collection
Fred DeVito Collection

Prehnite

with Laumonite - #AH54901
Locality
Prospect Park, Passaic Co., New Jersey, United States 
Formula
Ca2Al(Si3Al)O10(OH)2 
Availability
Sold
Size
7.5 x 7 x 3.5 cm - Sm Cabinet 

Light and murky sea-foam green balls of Prehnite to 1.2cm in a vug lined with 2-3mm white Laumonite crystals.


Prehnite

Formula
Ca2Al(Si3Al)O10(OH)2 
Crystal System
Orthorhombic 
Crystal Habit
Reniform, Globular, Stalactitic 
Cleavage
Distinct, None, None 
Luster
Vitreous - Pearly 
Color
colorless, gray, yellow, yellow green, white 
Streak
colorless 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle 
Hardness
6-6.5 
Collection
Arnold G Hampson Collection
Mineralpedia
View Prehnite
On Dakota Matrix
Previously Sold Prehnite
On Dakota Matrix
Other Available Prehnite
WebMineral
View Prehnite
Mindat
View Prehnite

Rutile

#WR54890
Locality
Graves Mountain, Lincoln Co., Georgia, United States 
Formula
TiO2 
Availability
Sold
Size
4.5 x 3.5 x 3.5 cm - Miniature 

Rutile from Graves Mountain are probably the largest crystals around. This one is no exception. It is almost complete all around with the exception of a detachment side.


Rutile

Formula
TiO2 
Crystal System
Tetragonal 
Crystal Habit
Acicular, Prismatic, Massive - Granular 
Cleavage
Distinct, None, None 
Luster
Adamantine 
Color
blood red, bluish, brownish yellow, brown red, violet 
Streak
grayish black 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Uneven 
Hardness
6-6.5 
Collection
Willard L. Roberts Collection
On Dakota Matrix
Previously Sold Rutile
On Dakota Matrix
Other Available Rutile
WebMineral
View Rutile
Mindat
View Rutile
SOLD
Sabinaite - DC54868
Sabinaite - DC54868

Sabinaite

#DC54868
Locality
Mont Saint-Hilaire, Rouville Co., Quebec, Canada 
Formula
Na4TiZr2O4(CO3)4 
Availability
Sold
Size
2.5 x 2 x 1.5 cm - Thumbnail 

All I see is one tabular, sharp Sabinaite crystal to about 0.75mm tucked, almost hidden, down in blue Sodalite matrix. There has to be more Sabinaite crystals.


Sabinaite

Formula
Na4TiZr2O4(CO3)4 
Crystal System
Monoclinic 
Crystal Habit
Powdery 
Cleavage
Perfect, Distinct, None 
Luster
Earthy (Dull) 
Color
colorless, white, light yellow 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
Collection
Don Cooke Collection
Mineralpedia
View Sabinaite
On Dakota Matrix
Previously Sold Sabinaite
On Dakota Matrix
Other Available Sabinaite
WebMineral
View Sabinaite
Mindat
View Sabinaite

Sabugalite

#54494
Locality
Jeannie K claims, Stateline Peak dist., Washoe Co., Nevada, United States 
Formula
HAl(UO2)4(PO4)4·16H2
Availability
Sold
Size
6 x 3 x 3 cm - Sm Cabinet 
Tagged
phosphate  

Yellow pulverulent Sabugalite occupying a netwrok of thin fractures. 


Sabugalite

Formula
HAl(UO2)4(PO4)4·16H2
Crystal System
Tetragonal 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
light yellow, lemon 
Streak
yellow white 
Class
Tetragonal - Ditetragonal Dipyramidal 
Hardness
2.5 

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