Three Little Pegmatites

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Goyazite

with Childrenite - #BN55121

Details
Data
Provenance
Resources

Locality: Palermo mine, Groton, Grafton Co., New Hampshire, United States
Formula: SrAl₃(PO₄)(PO₃OH)(OH)₆
Availability: Sold
Size: 4.5 x 4 x 4 cm - Miniature
Tagged: phosphate , pegmatite mineral

Rich coverage of tiny white to yellowish stained, well-formed Goyazite crystals to 0.5mm on Quartz with minor Childrenite.

Goyazite

Formula: SrAl₃(PO₄)(PO₃OH)(OH)₆
Crystal System: Trigonal
Crystal Habit: Blocky - Rhombohedral, Disseminated
Cleavage: Perfect, None, None
Luster: Vitreous - Greasy
Color: lemon yellow, pink, colorless
Streak: white
Class: Trigonal - Hexagonal Scalenohedral
Fracture: Uneven
Hardness: 4-5

Collection: Dr. Buford Nichols Collection

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

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Hagendorfite

in Triphylite - #BN54994

Details
Data
Provenance
Resources

Locality: Hagendorf-Süd, Oberpfälzer Wald, Bavaria, Germany
Formula: NaCaMn²⁺Fe²⁺₂(PO₄)₃
Availability: Sold
Size: 10 x 6 x 4 cm - Cabinet
Tagged: phosphate , pegmatite mineral

Dull, black zones of Hagendorfite in Triphylite. Ex. Dr. F. Krantz collection, with tag (see prov. tab).

Hagendorfite

Formula: NaCaMn²⁺Fe²⁺₂(PO₄)₃
Crystal System: Monoclinic
Crystal Habit: Massive
Cleavage: Good, Poor, None
Color: greenish black
Streak: gray green
Class: Monoclinic - Prismatic
Hardness: 3.5

Collection: Dr. Buford Nichols Collection

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

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Hurlbutite

with Montgomeryite & Englishite - #BN55085

Details
Data
Provenance
Resources

Locality: Tip Top mine, Custer Co., South Dakota, United States
Formula: CaBe₂P₂O₈
Availability: Sold
Size: 9 x 3 x 3 cm - Sm Cabinet
Tagged: phosphate , beryllium , pegmatite mineral

Rich specimen full of colorless beads of Hurlbutite to about 0.75mm scattered with 1mm groups of red Montgomeryite, tiny rhombs if Whitlockite and white, pearly tufts of Englishite. Beryl matrix, excellent specimen.

Hurlbutite

Formula: CaBe₂P₂O₈
Crystal System: Monoclinic
Crystal Habit: Prismatic
Cleavage: None, None, None
Luster: Vitreous - Greasy
Color: colorless, greenish white, yellow
Streak: white
Class: Monoclinic - Prismatic
Fracture: Brittle - Conchoidal
Hardness: 6

Collection: Dr. Buford Nichols Collection

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

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Hydroxylapatite

on Quartz - #BN55004

Details
Provenance
Resources

Locality: Palermo mine, Groton, Grafton Co., New Hampshire, United States
Formula: Ca₅(PO₄)₃OH
Availability: Sold
Size: 6 x 4.5 x 3 cm - Sm Cabinet
Tagged: phosphate , pegmatite mineral

1-2mm prismatic, snow white Hydroxylapatite crystals lining a Quartz vug.

Collection: Dr. Buford Nichols Collection

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

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Hydroxylapatite

with Goyazite & Brazilianite - #BN55019

Details
Provenance
Resources

Locality: Palermo mine, Groton, Grafton Co., New Hampshire, United States
Formula: Ca₅(PO₄)₃OH
Availability: Sold
Size: 2.5 x 2.5 x 2 cm - Thumbnail
Tagged: phosphate , pegmatite mineral

1-3mm white Hydroxylapatite crystals with 0.25mm white to yellow stained crystals of Goyazite.

Collection: Dr. Buford Nichols Collection

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

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Laueite

with Pseudolaueite & Strunzite - #PD55049

Details
Data
Provenance
Resources

Locality: Hagendorf-Süd, Oberpfälzer Wald, Bavaria, Germany
Formula: Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂·8H₂O
Availability: Sold
Size: 7 x 6 x 4 cm - Sm Cabinet
Tagged: phosphate , pegmatite mineral

Deep yellow crystals of Laueite crystals with inclined terminations. An old John Parnau label has Pseudolaueite occuring on the specimen, but it is hard to determine this. There is however, some good showings of straw-like Strunzite to 3mm.

Laueite

Formula: Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂·8H₂O
Crystal System: Triclinic
Cleavage: Perfect, None, None
Luster: Vitreous (Glassy)
Color: yellow orange, honey brown, light brown
Streak: white
Class: Triclinic - Pinacoidal
Hardness: 3

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

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