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0 item @ $0.00  

Rare Minerals of Franklin-Sterling Hill III

Wednesday, 30 August 2017 08:00 PM

Releasing another lot of Franklin/Sterling Hill minerals from various collections but mostly the Phillips' Collection. This is a locality charished by those who not only enjoy rare species, but also fluorescent minerals. 

Brandtite

with Sarkinite - #PD47387
Locality
Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States 
Formula
Ca2Mn2+(AsO4)2·2H2
Availability
Sold
Size
5 x 5 x 3.5 cm - Miniature 
Tagged
arsenate  

Clear bladed crystals of Brandtite to 3mm with Orange micro crystals of Sarkinite. Very nice specimen.


Brandtite

Formula
Ca2Mn2+(AsO4)2·2H2
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Striated, Radial 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
colorless, white 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
3.5 
Collection
Phillips Collection
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Cahnite

with Rhodonite - #PD47349
Locality
Franklin, Sussex Co., New Jersey, United States 
Formula
Ca2B(AsO4)(OH)4 
Availability
Sold
Size
4 x 3.5 x 3.5 cm - Miniature 

Colorless to murky white sub-hedral crystals of Cahnite to 1mm with Rhodonite.


Cahnite

Formula
Ca2B(AsO4)(OH)4 
Crystal System
Tetragonal 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, white 
Streak
white 
Class
Tetragonal - Disphenoidal 
Fracture
Brittle 
Hardness
Collection
Phillips Collection
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Copper

#PD47404
Locality
Franklin, Sussex Co., New Jersey, United States 
Formula
Cu 
Availability
Sold
Size
10.5 x 8 x 3 cm - Cabinet 
Tagged
native element  

A hackly mass in siltsone matrix.


Copper

Formula
Cu 
Crystal System
Isometric 
Crystal Habit
Nodular, Arborescent 
Cleavage
None, None, None 
Luster
Metallic 
Color
brown, copper red, light pink, red 
Streak
rose 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
Collection
Phillips Collection
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Copper

on Microcline - #PD47407
Locality
N. J. Zinc Mill Site, Franklin, Sussex Co., New Jersey, United States 
Formula
Cu 
Availability
Sold
Size
13.5 x 11 x 7 cm - Cabinet 
Tagged
native element  

Large chunk of amazonite feldspar with smears of Copper within slickenside(?) surface. May cost extra to ship.


Copper

Formula
Cu 
Crystal System
Isometric 
Crystal Habit
Nodular, Arborescent 
Cleavage
None, None, None 
Luster
Metallic 
Color
brown, copper red, light pink, red 
Streak
rose 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
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Corundum

var. sapphire with Margarite - #PD47405
Locality
Parker Shaft, Franklin, Sussex Co., New Jersey, United States 
Formula
Al2O3 
Availability
Sold
Size
8 x 5 x 4.5 cm - Sm Cabinet 

Blue relatively formless crystals with margarite.


Corundum

Formula
Al2O3 
Crystal System
Trigonal 
Crystal Habit
Euhedral Crystals, Tabular, Prismatic 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
blue, red, yellow, brown, gray 
Streak
none 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Tough 
Hardness
Collection
Phillips Collection
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Esperite

with Willemite - #DS47377
Locality
Franklin, Sussex Co., New Jersey, United States 
Formula
PbCa2(ZnSiO4)3 
Availability
Sold
Size
5 x 4 x 2.5 cm - Miniature 
Tagged
arsenate  
Special Info
Fluorescent 
Special Info
Type Locality 

Fine grained white Esperite with Franklinite, Willemite, and Zincite. Yellow FL.


Esperite

Formula
PbCa2(ZnSiO4)3 
Crystal System
Monoclinic 
Crystal Habit
Massive 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
Collection
Shultz Collection
Special Info
Fluorescent
Special Info
Type Locality
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