Franklin & Sterling Hill 2

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Mcgovernite

#PD37309

Details
Data
Provenance
Resources

Locality: Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States
Formula: Mn₁₉Zn₃(AsO₃)(AsO₄)₃(SiO₄)₃(OH)₂₁
Availability: Sold
Notes: Discounts/Promos do NOT apply to this item
Size: 7 x 4.5 x 3.5 cm - Sm Cabinet
Tagged: arsenate
Special Info: Type Locality

Described by Dunn as "splayed" rosettes as are these - a stellate habit, which helps to distinguish it from Kraisslite. This is a nice specimen which represnts the habits and color well.

Mcgovernite

Formula: Mn₁₉Zn₃(AsO₃)(AsO₄)₃(SiO₄)₃(OH)₂₁
Crystal System: Trigonal
Crystal Habit: Massive - Granular, Micaceous
Cleavage: Perfect, None, None
Luster: Vitreous - Pearly
Color: bronze brown, light brown, dark reddish brown, reddish brown
Streak: brown
Class: Trigonal - Hexagonal Scalenohedral
Fracture: Brittle
Hardness: -

Special Info: Type Locality

Mineralpedia: View Mcgovernite
On Dakota Matrix: Previously Sold Mcgovernite
On Dakota Matrix: Other Available Mcgovernite
WebMineral: View Mcgovernite
Mindat: View Mcgovernite

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Microcline

var. amazonite - #PD37301

Details
Data
Provenance
Resources

Locality: Franklin, Sussex Co., New Jersey, United States
Formula: KAlSi₃O₈
Availability: Sold
Size: 8 x 7 x 3.5 cm - Sm Cabinet

Solid crystalline mass of nice green amazonite Microcline associated with black to dark red Andradite. There are a few 1-3mm Andrdite crystals. Some Quartz.

Microcline

Formula: KAlSi₃O₈
Crystal System: Triclinic
Crystal Habit: Blocky, Crystalline - Coarse, Prismatic
Cleavage: Perfect, Good, None
Luster: Vitreous (Glassy)
Color: bluish green, green, gray, grayish yellow, yellowish
Streak: white
Class: Triclinic - Pinacoidal
Fracture: Uneven
Hardness: 6

Collection: Phillips Collection

Mineralpedia: View Microcline
On Dakota Matrix: Previously Sold Microcline
On Dakota Matrix: Other Available Microcline
WebMineral: View Microcline
Mindat: View Microcline

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Molybdenite

#PD37288

Details
Data
Provenance
Resources

Locality: Franklin, Sussex Co., New Jersey, United States
Formula: MoS₂
Availability: Sold
Notes: Discounts/Promos do NOT apply to this item
Size: 4.5 x 4 x 1.5 cm - Miniature
Tagged: sulfide

A rich specimen loaded with Molybdenum.

Molybdenite

Formula: MoS₂
Crystal System: Hexagonal
Crystal Habit: Foliated, Massive, Disseminated
Cleavage: Perfect, None, None
Luster: Metallic
Color: black, lead gray, gray
Streak: greenish gray
Class: Hexagonal - Dihexagonal Dipyramidal
Fracture: Sectile
Hardness: 1

Collection: Phillips Collection

Mineralpedia: View Molybdenite
On Dakota Matrix: Previously Sold Molybdenite
On Dakota Matrix: Other Available Molybdenite
WebMineral: View Molybdenite
Mindat: View Molybdenite

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Ogdensburgite

with Pharmacosiderite - #PD37314

Details
Data
Provenance
Resources

Locality: Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States
Formula: Ca₂Fe³⁺₄Zn(AsO₄)₄(OH)₆·6H₂O
Availability: Sold
Notes: Discounts/Promos do NOT apply to this item
Size: 6 x 4.5 x 1.5 cm - Sm Cabinet
Tagged: arsenate
Special Info: Type Locality

Orange crusts with tiny green Pharmacosiderite crystals on fracture. A Gerstmann museum tag indicates that it was collected on the 340 level.

Ogdensburgite

Formula: Ca₂Fe³⁺₄Zn(AsO₄)₄(OH)₆·6H₂O
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: 2

Collection: Phillips Collection
Special Info: Type Locality

On Dakota Matrix: Previously Sold Ogdensburgite
On Dakota Matrix: Other Available Ogdensburgite
WebMineral: View Ogdensburgite
Mindat: View Ogdensburgite

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Pharmacosiderite

#PD37293

Details
Data
Provenance
Resources

Locality: Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States
Formula: KFe³⁺₄(AsO₄)₃(OH)₄·6-7H₂O
Availability: Sold
Notes: Discounts/Promos do NOT apply to this item
Size: 4 x 2 x 1 cm - Miniature
Tagged: arsenate

A crust of very fine cunic green Pharmacosiderite. A good rep. specimen.

Pharmacosiderite

Formula: KFe³⁺₄(AsO₄)₃(OH)₄·6-7H₂O
Crystal System: Isometric
Crystal Habit: Blocky, Crystalline - Coarse, Earthy
Cleavage: Indistinct, None, None
Luster: Adamantine - Resinous
Color: olive green, emerald green, reddish brown, yellowish brown, honey yellow
Streak: yellowish green
Class: Isometric - Hextetrahedral
Fracture: Brittle - Sectile
Hardness: 2.5