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Mixed Systematic Minerals

Sunday, 17 May 2020 08:00 PM

Introducing the "Mixed Systematic Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including bavenite, beryl, cerussite, clinocervantite, groutite, and lorenzenite and more from places like Gmina Strzegom, ?widnica Co., Lower Silesian Voivodeship, Poland, Topaz Mountain, Thomas Range, Juab Co., Utah, United States, Wheatley mine, Chester Co., Pennsylvania, United States, Tafone mine, Grosetto Province, Tuscany, Italy, Chinle Fm, Navajo Co., Arizona, United States, and Lovozero Massif, Kola Peninsula, Russia.

Bavenite

#53300
Locality
Gmina Strzegom, ?widnica Co., Lower Silesian Voivodeship, Poland 
Formula
Ca4Be2Al2Si9O26(OH)2 
Availability
Sold
Size
2 x 1.5 x 1 cm - Thumbnail 
Tagged
beryllium  

Thumbnail size specimen of narly all bladed Bavenite, a rare beryllium mineral.


Bavenite

Formula
Ca4Be2Al2Si9O26(OH)2 
Crystal System
Orthorhombic 
Crystal Habit
Lamellar, Massive - Lamellar, Radial 
Cleavage
Perfect, Fair, None 
Luster
Vitreous - Pearly 
Color
white, green, pink, brown 
Streak
white 
Class
Orthorhombic - Pyramidal 
Fracture
Uneven 
Hardness
5.5 
Mineralpedia
View Bavenite
On Dakota Matrix
Previously Sold Bavenite
On Dakota Matrix
Other Available Bavenite
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Mindat
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Beryl

#AH53305
Locality
Topaz Mountain, Thomas Range, Juab Co., Utah, United States 
Formula
Be3Al2Si6O18 
Availability
Available
Price
$70.00
Size
4.5 x 4.5 x 3 cm - Miniature 
Tagged
beryllium  

One small pink crystal of rare red Beryl in rhyolite tuff to 2mm.


Beryl

Formula
Be3Al2Si6O18 
Crystal System
Hexagonal 
Crystal Habit
Crystalline - Coarse, Prismatic, Columnar 
Cleavage
Imperfect, None, None 
Luster
Vitreous - Resinous 
Color
green, blue, yellow, colorless, pink 
Streak
white 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
7.5-8 
Collection
Arnold G Hampson Collection
Mineralpedia
View Beryl
On Dakota Matrix
Previously Sold Beryl
On Dakota Matrix
Other Available Beryl
WebMineral
View Beryl
Mindat
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Cerussite

#AH53240
Locality
Wheatley mine, Chester Co., Pennsylvania, United States 
Formula
PbCO3 
Availability
Sold
Size
7.5 x 5 x 4.5 cm - Sm Cabinet 
Tagged
carbonate  

White Cerussite crystals to 3mm on two sides.


Cerussite

Formula
PbCO3 
Crystal System
Orthorhombic 
Crystal Habit
Reticulate, Massive - Granular, Crystalline - Coarse 
Cleavage
Distinct, Distinct, None 
Luster
Adamantine 
Color
colorless, white, gray, blue, green 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
3-3.5 
Collection
Arnold G Hampson Collection
Mineralpedia
View Cerussite
On Dakota Matrix
Previously Sold Cerussite
On Dakota Matrix
Other Available Cerussite
WebMineral
View Cerussite
Mindat
View Cerussite
SOLD
Clinocervantite - PD44811
Clinocervantite - PD44811

Clinocervantite

#PD44811
Locality
Tafone mine, Grosetto Province, Tuscany, Italy 
Formula
Sb3+Sb5+O4 
Availability
Sold
Size
2.5 x 1.5 x 1 cm - Thumbnail 
Special Info
Type Locality 

Tiny white bladed crystals no more than 1mm in small vug. Rare and this is type locality, which in one of two in the world. 


Clinocervantite

Formula
Sb3+Sb5+O4 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Microscopic Crystals 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
colorless 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness
Collection
Don Phillips Collection
Special Info
Type Locality

Groutite

on petrified wood - #AH53269
Locality
Chinle Fm, Navajo Co., Arizona, United States 
Formula
Mn3+O(OH) 
Availability
Available
Price
$45.00
Size
2 x 2 x 2 cm - Thumbnail 

Shiny, slender needles of black Groutite to 4mm on petrified wood.


Groutite

Formula
Mn3+O(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Acicular, Striated, Prismatic 
Cleavage
Perfect, Distinct, None 
Luster
Adamantine - Metallic 
Color
blue black 
Streak
dark brown 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Uneven 
Hardness
5.5 
Collection
Arnold G Hampson Collection
Mineralpedia
View Groutite
On Dakota Matrix
Previously Sold Groutite
On Dakota Matrix
Other Available Groutite
WebMineral
View Groutite
Mindat
View Groutite
SOLD
Lorenzenite - 19640
Lorenzenite - 19640

Lorenzenite

#19640
Locality
Lovozero Massif, Kola Peninsula, Russia 
Formula
Na2Ti2O3(Si2O6
Availability
Sold
Size
3 x 2 x 2.5 cm - Thumbnail 

A superb single well-formed brown crystal to 2.5cm.


Lorenzenite

Formula
Na2Ti2O3(Si2O6
Crystal System
Orthorhombic 
Crystal Habit
Acicular, Granular, Massive - Fibrous 
Cleavage
Distinct, Distinct, None 
Luster
Vitreous - Greasy 
Color
brown, colorless, green, white, light blue 
Streak
light brownish yellow 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness

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