|
July 27 , 2015 |
John Hoffmann Specimens
10% discount on all
specimens. |
John is a very fine
young man (32) who travels extensively to African locales. He is very
knowledgeable and has a keen eye for beauty and especially rare items.
All items listed below are very fine specimens.
It is a pleasure to
be able to offer these John Hoffmann specimens! |
□ |
BARYTE
|
Kaokoveld Mine, Kaokoveld Plateau, Kunene
Region, Namibia |
Extremely rare - collected summer
2009 - Sharp lustrous transparent to translucent honey-beige tabular single
crystals or groupings off matrix. $8.00; $10.00
BaSO4
|
6152 |
BERYL variety AQUAMARINE
|
Erongo Mountains, Erongo Region, Namibia |
Very fine single elongated prismatic
gemmy blue pedion-terminated crystals to 2.0cm. Wonderful geometric pattern on
termination. $10.00; $12.00
Be3Al2Si6O18 |
6155 |
BERYL variety AQUAMARINE with
SIDERITE
|
Erongo Mountains, Erongo Region, Namibia |
Fine pieces! A single elongated prismatic
gemmy blue pedion-terminated crystal with "rosette" dark brown Siderite. $12.00
Be3Al2Si6O18
/ FeCO3 |
6156
|
BERYL variety AQUAMARINE
|
Erongo Mountains, Erongo Region, Namibia |
Three only of these very fine pieces!
Lustrous bi-coloured crystals. Colourless to white centres sandwiched between
light blue coloured Beryl. $12.00
Be3Al2Si6O18 |
6160 |
BERYL variety AQUAMARINE
|
Erongo Mountains, Erongo Region, Namibia |
John Hoffmann Collection - Very fine
pieces! Clusters of tapered pale blue to colourless crystals.
1 x $25.00 (NA mount) ,
2 x $30.00
Be3Al2Si6O18 |
6161 |
BERYL variety AQUAMARINE
|
Erongo Mountains, Erongo Region, Namibia |
Three only - "Superb" gem-quality
prismatic crystals A) 1.8 x 1.2cm $30.00; B) 1.8 x 1.0cm $40.00;
C) 1.5 x 1.0cm $40.00
Be3Al2Si6O18 |
6165 |
CALCITE
|
Tsumeb Mine (Tsumcorp Mine), Tsumeb,
Otjikoto Region (Oshikoto), Namibia |
Tsumeb produced some
wonderful specimens of Calcite with all kinds of habits. These pieces are all
very different. A 1.5cm lustrous honey-brown nodule (D) - $10.00; Lustrous
colourless to opaque white crystals. $12.00 March 2014
CaCO3 |
6168 |
CALCITE /
CONICHALCITE
|
Tsumeb Mine (Tsumcorp Mine), Tsumeb,
Otjikoto Region (Oshikoto), Namibia |
Two only - Highly
lustrous glassy colourless rhombs of calcite on vitreous dark green
Conichalcite crystals. $12.00 March 2014
CaCO3 |
6169 |
CERUSSITE / SMITHSONITE
|
Tsumeb Mine (Tsumcorp Mine), Tsumeb,
Otjikoto Region (Oshikoto), Namibia |
One only - Very fine
lustrous colourless crystals on matrix with Smithsonite crystals. $12.00
March 2014
PbCO3
/ ZnCO3
|
6172 |
DESCLOIZITE
|
Berg Aukas (Berg Aukus), Grootfontein
District, Otjozondjupa Region, Namibia |
Extremely fine
specimens! Splendent lustrous dark
brown crystal clusters. These are the finest crystals available.
2 x $12.00;
3 x $15.00
Pb(Zn,Cu)(VO4)(OH) |
6164 |
DIOPTASE
|
Kaokoveld Mine, Kaokoveld Plateau, Kunene
Region, Namibia |
Very interesting and extremely rare
pieces! Each piece has at least one very sharp lusrous dark green Dioptase
crystals with exsolution cavities - worm holes - some of which have a
secondary crystallization forming in them. Collected summer 2009
$10.00
CuSiO3.H2O |
6153 |
DIOPTASE
|
Tsumeb Mine (Tsumcorp Mine), Tsumeb,
Otjikoto Region (Oshikoto), Namibia |
Three only - "2" as highly lustrous
bluish-green crystals on matrix. $15.00; One with lustrous dark green
tabular crystals. $12.00 March 2014
CuSiO3.H2O |
6174 |
FLUORITE
|
Erongo Mountains, Erongo Region, Namibia |
Wonderful! Very, very
fine clusters and/or single crystals from colourless to lilac to rich green
+/- lustrous black Tourmaline crystals. $12.00
CaF2
|
6162 |
MALACHITE
|
Kaokoveld Mine, Kaokoveld Plateau, Kunene
Region, Namibia |
One only - A very fine
pseudo large blocky Azurite crystal to 1.4cm pseudomorphed to Malachite.
$12.00
Cu2(CO3)(OH)2 |
6158 |
TOPAZ
|
Erongo Mountains, Erongo Region, Namibia |
Very good pieces! Lustrous colourless
thick tabular crystals with inclusions of various minerals. $8.00; $10.00
Collected 2009
Al2(SiO4)(F,OH)2
|
6159 |
TOPAZ
|
Klein Spitzkopje granite stock,
Spitzkopje Area, Karibib District, Erongo Region, Namibia |
Three only of these
"rare" and lovely
"complex" single crystals off matrix. A)2.1 x 1.5cm; B) 1.6 x 1.7cm; C) 13 x
1.5cm $40.00 each
Al2(SiO4)(F,OH)2
|
6180 |