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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. 

Mcallisterite

#PD47355
Locality
Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States 
Formula
Mg2[B6O7(OH)6]2·9H2
Availability
Sold
Size
5 x 3 x 2 cm - Miniature 

White crystalline areas in Franklinite. It's been cut on two sides and probably tested by Excalibur for which there is a label.


Mcallisterite

Formula
Mg2[B6O7(OH)6]2·9H2
Crystal System
Trigonal 
Cleavage
Good, Good, None 
Luster
Vitreous (Glassy) 
Color
colorless, yellow brown, white 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle 
Hardness
2.5 
Collection
Phillips Collection
SOLD
Ogdensburgite - PD47385
Ogdensburgite - PD47385

Ogdensburgite

#PD47385
Locality
Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States 
Formula
Ca2Fe3+4Zn(AsO4)4(OH)6·6H2
Availability
Sold
Size
1.5 x 1 x 1 cm - Thumbnail 
Special Info
Type Locality 
Special Info
XRD Confirmed 

Dark to bright orange-brownish red coating on matrix. Excalibur stating it was ID by XRD.


Ogdensburgite

Formula
Ca2Fe3+4Zn(AsO4)4(OH)6·6H2
Crystal System
Orthorhombic 
Crystal Habit
Bladed, Encrustations, Micaceous 
Cleavage
Perfect, Fair, Poor 
Luster
Resinous 
Color
brownish red, dark brown, reddish orange 
Streak
brown yellow 
Class
Orthorhombic - Dipyramidal 
Hardness
Collection
Phillips Collection
Special Info
Type Locality
Special Info
XRD Confirmed
SOLD
Rhodochrosite - PD47354
Rhodochrosite - PD47354

Rhodochrosite

#PD47354
Locality
Franklin, Sussex Co., New Jersey, United States 
Formula
MnCO3 
Availability
Sold
Size
7 x 5 x 4 cm - Sm Cabinet 
Tagged
carbonate  

Pink veins of Rhodochrosite in Franklinite.


Rhodochrosite

Formula
MnCO3 
Crystal System
Trigonal 
Crystal Habit
Massive - Granular, Columnar, Botryoidal 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
pinkish red, red, rose red, yellowish gray, brown 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
Collection
Phillips Collection
SOLD
Sarkinite - AK47356
Sarkinite - AK47356

Sarkinite

#AK47356
Locality
Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States 
Formula
Mn2+2(AsO4)(OH) 
Availability
Sold
Size
5 x 2.5 x 2.5 cm - Miniature 
Tagged
arsenate  

Light pinkish crystalline crust with minor crystals.


Sarkinite

Formula
Mn2+2(AsO4)(OH) 
Crystal System
Monoclinic 
Crystal Habit
Tabular 
Cleavage
Distinct, None, None 
Luster
Greasy (Oily) 
Color
yellow, dark red, reddish yellow 
Streak
yellow 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal - Uneven 
Hardness
4-5 
Collection
Kidwell Collection
Mineralpedia
View Sarkinite
On Dakota Matrix
Previously Sold Sarkinite
On Dakota Matrix
Other Available Sarkinite
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Mindat
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Sarkinite

#DS47367
Locality
Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States 
Formula
Mn2+2(AsO4)(OH) 
Availability
Sold
Size
8 x 4.5 x 2 cm - Sm Cabinet 
Tagged
arsenate  

Three main areas with small patches around 5mm of Sarkinite clusters composed of individual crystals around 0.5mm. There are a few better defined crystals.


Sarkinite

Formula
Mn2+2(AsO4)(OH) 
Crystal System
Monoclinic 
Crystal Habit
Tabular 
Cleavage
Distinct, None, None 
Luster
Greasy (Oily) 
Color
yellow, dark red, reddish yellow 
Streak
yellow 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal - Uneven 
Hardness
4-5 
Collection
Shultz Collection
Mineralpedia
View Sarkinite
On Dakota Matrix
Previously Sold Sarkinite
On Dakota Matrix
Other Available Sarkinite
WebMineral
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Mindat
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Schorl

tourmaline in amphibole - #PD47406
Locality
Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States 
Formula
NaFe2+3Al6(BO3)3Si6O18(OH)4 
Availability
Sold
Size
5 x 2.5 x 2 cm - Miniature 

Black prismatic crystal to 2cm with a few smaller in dark amphilbole matrix.


Schorl

Formula
NaFe2+3Al6(BO3)3Si6O18(OH)4 
Crystal System
Trigonal 
Crystal Habit
Acicular, Prismatic, Striated 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
black, brownish black, greenish black, bluish black 
Streak
brown 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Brittle - Conchoidal 
Hardness
7.5 
Collection
Phillips Collection
Mineralpedia
View Schorl
On Dakota Matrix
Previously Sold Schorl
On Dakota Matrix
Other Available Schorl
WebMineral
View Schorl
Mindat
View Schorl

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