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0 item @ $0.00  

Three Little Pegmatites

Friday, 12 February 2021 08:00 AM

Three famous phosphate loaded pegmatites - The Palermo, Hagendorf, and Tip Top Pegmatites.

SOLD
Cyrilovite - PD55040
Cyrilovite - PD55040

Cyrilovite

#PD55040
Locality
Hagendorf-Süd, Oberpfälzer Wald, Bavaria, Germany 
Formula
NaFe3+3(PO4)2(OH)4·2H2
Availability
Sold
Size
3 x 2.5 x 2 cm - Thumbnail 
Tagged
phosphate , pegmatite mineral  

Greenish yellow micro Cyrilovite crystals, less than 0.75mm in several vugs.


Cyrilovite

Formula
NaFe3+3(PO4)2(OH)4·2H2
Crystal System
Tetragonal 
Crystal Habit
Massive - Granular, Pseudo Cubic 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
yellow, orange yellow, brown 
Streak
yellow 
Class
Tetragonal - Trapezohedral 
Fracture
Uneven 
Hardness

Fairfieldite

with Goyazite - #BN55018
Locality
Palermo mine, Groton, Grafton Co., New Hampshire, United States 
Formula
Ca2Mn2+(PO4)2·2H2
Availability
Sold
Size
4 x 3 x 2 cm - Miniature 
Tagged
phosphate , pegmatite mineral  

Snow white smooth balls of Fairfieldite to 0.5mm on Quartz with funny rhombic Goyazite crystals. This is a very good and interesting specimen.


Fairfieldite

Formula
Ca2Mn2+(PO4)2·2H2
Crystal System
Triclinic 
Crystal Habit
Foliated, Fibrous, Euhedral Crystals 
Cleavage
Perfect, Distinct, None 
Luster
Vitreous - Pearly 
Color
greenish white, white, light yellow 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Brittle - Uneven 
Hardness
3.5 
Collection
Dr. Buford Nichols Collection

Fluorapatite

on Quartz - #BN55007
Locality
Palermo mine, Groton, Grafton Co., New Hampshire, United States 
Formula
Ca5(PO4)3
Availability
Sold
Size
5 x 4 x 5 cm - Miniature 
Tagged
phosphate , pegmatite mineral  

Slightly purple Fluorapatite crystals to 4mm on crystallized Quartz matrix. There are five Fluorapatite crystals.


Fluorapatite

Formula
Ca5(PO4)3
Crystal System
Hexagonal 
Crystal Habit
Massive - Granular, Euhedral Crystals 
Cleavage
Indistinct, None, None 
Luster
Vitreous - Resinous 
Color
blue, brown, colorless, violet, green 
Streak
white 
Class
Hexagonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
Collection
Dr. Buford Nichols Collection
SOLD
Frondelite - PD55041
Frondelite - PD55041

Frondelite

#PD55041
Locality
Hagendorf-Süd, Oberpfälzer Wald, Bavaria, Germany 
Formula
Mn2+Fe3+4(PO4)3(OH)5 
Availability
Sold
Size
3 x 2.5 x 2.5 cm - Thumbnail 
Tagged
phosphate , pegmatite mineral  

A band of reddish brown to to dark brown of Frondelite/Rockbridgeite 1cm long.


Frondelite

Formula
Mn2+Fe3+4(PO4)3(OH)5 
Crystal System
Orthorhombic 
Cleavage
Perfect, Distinct, Distinct 
Luster
Vitreous - Dull 
Color
brown, brown green, brownish black, green black, dark green 
Streak
brownish gray 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Uneven 
Hardness
4.5 

Goyazite

with Hydroxylapatite - #BN55008
Locality
Palermo mine, Groton, Grafton Co., New Hampshire, United States 
Formula
SrAl3(PO4)(PO3OH)(OH)6 
Availability
Sold
Size
5.5 x 3 x 3 cm - Sm Cabinet 
Tagged
phosphate , pegmatite mineral  

Yellow stained white Goyazite crystals to 1mm with long acicular crystals of Hydroxylapatite to 5mm.


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
SOLD
Goyazite - BN55012
Goyazite - BN55012

Goyazite

with Childrenite - #BN55012
Locality
Palermo mine, Groton, Grafton Co., New Hampshire, United States 
Formula
SrAl3(PO4)(PO3OH)(OH)6 
Availability
Sold
Size
4 x 3.5 x 1.5 cm - Miniature 
Tagged
phosphate , pegmatite mineral  

Yellowish (stained) Goyazite crystals, formless, scattered on 2mm Goyazite in Quartz.


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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