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The Arnold Hampson Collection

Friday, 04 October 2019 07:00 PM

Introducing the "The Arnold Hampson Collection" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including spangolite, steigerite, titanite, vanadinite, volborthite, and zircon and more from places like Mex-Tex mine, Bingham, Socorro Co., New Mexico, United States, Cactus Rat mine, Grand Co., Utah, United States, Dodo mine, Saranpaul, Prepolar Ural, Russia, Old Yuma mine, Pima Co., Arizona, United States, Former Monument #1 mine, Navajo Co., Arizona, United States, and St Peters Dome, El Paso Co., Colorado, United States.

Spangolite

#AH51418
Locality
Mex-Tex mine, Bingham, Socorro Co., New Mexico, United States 
Formula
Cu6AlSO4(OH)12Cl·3H2
Availability
Sold
Size
7 x 5 x 4 cm - Sm Cabinet 
Tagged
copper  

It's really hard to find a good rich specimen of Spangolite these days. This specimen is one-of-a-kind with rich coverage of tiny 1mm and less excellent crystals in singles and clusters.


Spangolite

Formula
Cu6AlSO4(OH)12Cl·3H2
Crystal System
Trigonal 
Crystal Habit
Prismatic, Platy, Tabular 
Cleavage
Perfect, Distinct, None 
Luster
Vitreous (Glassy) 
Color
blue green, green, dark green, emerald green 
Streak
light green 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Conchoidal 
Hardness
2.5-3 
Collection
Arnold G Hampson Collection

Steigerite

#AH51387
Locality
Cactus Rat mine, Grand Co., Utah, United States 
Formula
AlVO4·3H2
Availability
Sold
Size
8 x 9 x 3.5 cm - Sm Cabinet 
Tagged
vanadium  

Beautiful vivid yellow little beads across face of specimen. Exceptionally rich specimen. 


Steigerite

Formula
AlVO4·3H2
Crystal System
Monoclinic 
Crystal Habit
Pulverulent 
Luster
Waxy 
Color
canary yellow, olive green 
Streak
yellow 
Class
Monoclinic 
Hardness
2.5-3 
Collection
Arnold G Hampson Collection
SOLD
Titanite - AH51415
Titanite - AH51415

Titanite

#AH51415
Locality
Dodo mine, Saranpaul, Prepolar Ural, Russia 
Formula
CaTiSiO5 
Availability
Sold
Size
5 x 2 x 1.5 cm - Miniature 

Sharp, translucent, lustrous set of Titanite crystals, the largest to 1.5cm across. Excellent piece.


Titanite

Formula
CaTiSiO5 
Crystal System
Monoclinic 
Crystal Habit
Massive - Lamellar, Crystalline - Fine 
Cleavage
Distinct, Imperfect, Imperfect 
Luster
Adamantine - Resinous 
Color
reddish brown, gray, yellow, green, red 
Streak
reddish white 
Class
Monoclinic - Prismatic 
Fracture
Sub Conchoidal 
Hardness
5-5.5 
Collection
Arnold G Hampson Collection
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Vanadinite

#AH51416
Locality
Old Yuma mine, Pima Co., Arizona, United States 
Formula
Pb5(VO4)3Cl 
Availability
Sold
Size
7 x 6 x 3 cm - Sm Cabinet 
Tagged
vanadium  

Bright orange Vanadinite crystals to 4mm. The specimen was purchased in 1965 from Shipley's Mineral House of Bayfield, Colorado. See Mineralogical Record label archive on Shipley's.


Vanadinite

Formula
Pb5(VO4)3Cl 
Crystal System
Hexagonal 
Crystal Habit
Globular, Prismatic, Nodular 
Cleavage
None, None, None 
Luster
Adamantine 
Color
brown, brownish yellow, brown red, colorless, yellow 
Streak
brownish yellow 
Class
Hexagonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 
Collection
Arnold G Hampson Collection
SOLD
Volborthite - AH51420
Volborthite - AH51420

Volborthite

#AH51420
Locality
Former Monument #1 mine, Navajo Co., Arizona, United States 
Formula
Cu3V2O7(OH)2·2H2
Availability
Sold
Size
4.5 x 3 x 1 cm - Miniature 
Tagged
copper , vanadium  

Tiny, less than 1mm, bright greenish yellow rosettes of Volborthite.


Volborthite

Formula
Cu3V2O7(OH)2·2H2
Crystal System
Monoclinic 
Crystal Habit
Globular, Scaly 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
brownish yellow, greenish yellow, yellow, yellow green, light brown 
Streak
light green 
Class
Monoclinic - Prismatic 
Hardness
Collection
Arnold G Hampson Collection

Zircon

#AH51402
Locality
St Peters Dome, El Paso Co., Colorado, United States 
Formula
ZrSiO4 
Availability
Sold
Size
7 x 4 x 3.5 cm - Sm Cabinet 
Special Info
Fluorescent 

Numerous 2 to 5mm reddish partial and full Zircon crystals throughout Quartz matrix. Acquired by Hampson from the NM Tech. symposium. Collected by Pete Modreski in the Eureka Tunnel.


Zircon

Formula
ZrSiO4 
Crystal System
Tetragonal 
Crystal Habit
Prismatic, Tabular, Crystalline - Fine 
Cleavage
Indistinct, None, None 
Luster
Adamantine 
Color
brown, reddish brown, colorless, gray, green 
Streak
white 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Uneven 
Hardness
7.5 
Collection
Arnold G Hampson Collection
Special Info
Fluorescent
Mineralpedia
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Mindat
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