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0 item @ $0.00  

Franklin & Sterling Hill 2

Friday, 29 November 2013 09:30 AM

Long a collector's favorite, when we acquired the Phillips collection we also gained a load of Franklin/Sterling Hill minerals.

Allactite

with Chlorophoenicite & Kraisslite - #PD37417
Locality
Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States 
Formula
Mn2+7(AsO4)2(OH)8 
Availability
Sold
Notes
Discounts/Promos do NOT apply to this item
Size
4.5 x 3 x 1 cm - Miniature 
Tagged
arsenate  

Excellent reddish crystals on Kraisslite. There are at least four, two are photographed. On the backside are two groups of Chlorophoenicite. Parker label.


Allactite

Formula
Mn2+7(AsO4)2(OH)8 
Crystal System
Monoclinic 
Cleavage
Good, None, None 
Luster
Vitreous - Greasy 
Color
brown red, greenish brown, purple red, pink 
Class
Monoclinic - Prismatic 
Hardness
4.5 
Collection
Phillips Collection
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Alleghanyite

with Baryte - #FD13944
Locality
Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States 
Formula
Mn2+5(SiO4)2(OH)2 
Availability
Sold
Notes
Discounts/Promos do NOT apply to this item
Size
6 x 5 x 4.5 cm - Sm Cabinet 

Superb wine colored - light red - crystal groups of Alleghanyite to 2mm, the best cluster is 1mm as photographed. There are several groups, maybe around 4 or 5 but are malformed by growth contraints. Scattered around the fracture opening in which the Alleghanyite occurs are yellow Baryte crystals from 0.5 to 1mm.


Alleghanyite

Formula
Mn2+5(SiO4)2(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Massive - Lamellar, Granular 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
white, brown, bright pink, grayish pink 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
6-5 
Collection
DeVito Collection

Aurichalcite

#PD37295
Locality
Mine Hill, Franklin, Sussex Co., New Jersey, United States 
Formula
Zn5(CO3)2(OH)6 
Availability
Sold
Notes
Discounts/Promos do NOT apply to this item
Size
5.5 x 4 x 5 cm - Sm Cabinet 
Tagged
carbonate  

For Franklin, this has got to be a good Aurichalcite. The large "ball" is 7mm, which is good size for any Aurichalcite. Excellent specimen with John Albanese label stating the Aurichalcite formed in decomposed  Franklinite ore.


Aurichalcite

Formula
Zn5(CO3)2(OH)6 
Crystal System
Monoclinic 
Crystal Habit
Druse, Encrustations, Acicular 
Cleavage
Perfect, None, None 
Luster
Pearly 
Color
pale green, sky blue, greenish blue 
Streak
light blue 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
Collection
Phillips Collection

Bannisterite

#PD37307
Locality
Franklin, Sussex Co., New Jersey, United States 
Formula
(Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8·nH2
Availability
Sold
Notes
Discounts/Promos do NOT apply to this item
Size
5.5 x 4 x 4.5 cm - Sm Cabinet 

Reddish brown, micaceous looking plates in matrix. Very rich. rare.


Bannisterite

Formula
(Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8·nH2
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Bladed, Aggregates 
Cleavage
Perfect, Distinct, None 
Luster
Resinous 
Color
dark brown, black 
Class
Monoclinic - Prismatic 
Hardness
Collection
Phillips Collection

Barylite

(?) with Grossular caswellite - #37297
Locality
Parker Shaft, Franklin, Sussex Co., New Jersey, United States 
Formula
BaBe2Si2O7 
Availability
Sold
Notes
Discounts/Promos do NOT apply to this item
Size
7 x 6 x 6 cm - Sm Cabinet 
Tagged
beryllium  
Special Info
Fluorescent 
Special Info
XRD Confirmed 

Light grey massive Barylite exhibiting a blue fluorecence associated with white barium feldspar and Grossular garnet as "caswellite". Albanese tag. Eventhough the old tag on this specimen indicates that it was tested by XRD, it has come to light by some experts that specimens of this type may have been incorrectly identified.


Barylite

Formula
BaBe2Si2O7 
Crystal System
Orthorhombic 
Crystal Habit
Platy 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous (Glassy) 
Color
bluish, colorless, white 
Streak
white 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle 
Hardness
6-7 
Collection
Phillips Collection
Special Info
Fluorescent
Special Info
XRD Confirmed

Barysilite

#PD37281
Locality
Parker Shaft, Franklin, Sussex Co., New Jersey, United States 
Formula
Pb8Mn(Si2O7)3 
Availability
Sold
Notes
Discounts/Promos do NOT apply to this item
Size
8.5 x 5 x 2 cm - Sm Cabinet 

Pearly looking cleavage faces of Barysilite throughout matrix. Rich. Ex. Albanese - see prov. tab.


Barysilite

Formula
Pb8Mn(Si2O7)3 
Crystal System
Trigonal 
Crystal Habit
Massive - Lamellar 
Cleavage
Perfect, None, None 
Luster
Adamantine 
Color
white, gray 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Hardness
Collection
Phillips Collection

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