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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 baryte, calcite, copper, enargite, linarite, and scheelite and more from places like El Kwal, Mibladen, Khenifra Prov., Morocco, Treasure Falls, Wolf Creek Pass, San Juan Mts, Mineral Co., Colorado, United States, Quincy mine, Houghton Co., Michigan, United States, Longfellow mine, Red Mountain, San Juan Co., Colorado, United States, Mex-Tex mine, Bingham, Socorro Co., New Mexico, United States, and Yaogangxian mine, Chenzhou, Hunan prov., China.

Baryte

#AH51391
Locality
El Kwal, Mibladen, Khenifra Prov., Morocco 
Formula
BaSO4 
Availability
Available
Price
$135.00
Size
8 x 6 x 3.5 cm - Sm Cabinet 

Peach colored slender blades of Baryte with cubes of Galena crusted of with tiny Cerussite crystals. An eye-catching piece.


Baryte

Formula
BaSO4 
Crystal System
Orthorhombic 
Crystal Habit
Tabular, Prismatic, Massive - Fibrous 
Cleavage
Perfect, Perfect, Imperfect 
Luster
Vitreous (Glassy) 
Color
white, yellowish white, grayish white, brownish white, dark brown 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Uneven 
Hardness
3-3.5 
Collection
Arnold G Hampson Collection
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Calcite

var. iceland spar - #AH51407
Locality
Treasure Falls, Wolf Creek Pass, San Juan Mts, Mineral Co., Colorado, United States 
Formula
CaCO3 
Availability
Available
Price
$40.00
Size
5.5 x 4 x 3 cm - Sm Cabinet 
Tagged
carbonate  

Treasure Falls has more to offer besides Calcite. But this Calcite I thought was fun since it is double refrectory as seen by the doubled Hampson name.


Calcite

Formula
CaCO3 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Stalactitic, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
colorless, white, pink, yellow, brown 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
Collection
Arnold G Hampson Collection
Mineralpedia
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Copper

in and with Calcite - #AH51401
Locality
Quincy mine, Houghton Co., Michigan, United States 
Formula
Cu 
Availability
Available
Price
$325.00
Size
10 x 7 x 4 cm - Cabinet 
Tagged
native element  

Large specimen of Copper with a large pocket 4cm across with Calcite crystals some of contain Copper.


Copper

Formula
Cu 
Crystal System
Isometric 
Crystal Habit
Nodular, Arborescent 
Cleavage
None, None, None 
Luster
Metallic 
Color
brown, copper red, light pink, red 
Streak
rose 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
Collection
Arnold G Hampson Collection
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Enargite

#AH51394
Locality
Longfellow mine, Red Mountain, San Juan Co., Colorado, United States 
Formula
Cu3AsS4 
Availability
Available
Price
$125.00
Size
10 x 7 x 5 cm - Cabinet 
Tagged
sulfide , copper  

It was tough to get good photos of the Enargite. They are highly reflective with their mirror-like reflectivity. The crystals reach 6mm and there are several of them in a pocket 3.5cm wide. Very nice specimen. Collected by Arnold in 1959.


Enargite

Formula
Cu3AsS4 
Crystal System
Orthorhombic 
Crystal Habit
Euhedral Crystals, Massive - Granular, Prismatic 
Cleavage
Perfect, Distinct, Distinct 
Luster
Metallic 
Color
steel gray, blackish gray, violet black 
Streak
black 
Class
Orthorhombic - Pyramidal 
Fracture
Uneven 
Hardness
Collection
Arnold G Hampson Collection
Mineralpedia
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Linarite

with Baryte - #AH51417
Locality
Mex-Tex mine, Bingham, Socorro Co., New Mexico, United States 
Formula
PbCuSO4(OH)2 
Availability
Price
$125.00
Size
6.5 x 5 x 3 cm - Sm Cabinet 
Tagged
copper  

Elongated deep blue Linarite crystals to 6mm lying flat on matrix, which was a former Galena cube 2.5cm across. Actually the Galena was probably superficially altered. The cube as seen is sandwiched between blades of Baryte. A great specimen


Linarite

Formula
PbCuSO4(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Platy, Encrustations 
Cleavage
Perfect, Distinct, None 
Luster
Vitreous (Glassy) 
Color
sky blue, deep blue 
Streak
light blue 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal 
Hardness
2.5 
Collection
Arnold G Hampson Collection
Mineralpedia
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Scheelite

on Calcite - #AH51411
Locality
Yaogangxian mine, Chenzhou, Hunan prov., China 
Formula
CaWO4 
Availability
Available
Price
$195.00
Size
9 x 5.5 x 4 cm - Sm Cabinet 
Special Info
Fluorescent 

Perfect translucent and lustrous octahedral crystals in which most all are single crystals measuring from 3 to 5mm  on Quartz and Calcite blades. The Scheelite is as usual fluoresecent to a nice creamy white color. 


Scheelite

Formula
CaWO4 
Crystal System
Tetragonal 
Crystal Habit
Massive - Granular, Disseminated, Columnar 
Cleavage
Distinct, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, white, pale yellow, brownish yellow, reddish yellow 
Streak
white 
Class
Tetragonal - Dipyramidal 
Fracture
Uneven 
Hardness
4-5 
Collection
Arnold G Hampson Collection
Special Info
Fluorescent
Mineralpedia
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On Dakota Matrix
Previously Sold Scheelite
On Dakota Matrix
Other Available Scheelite
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Mindat
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