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Albite : Na[AlSi3O8], Quartz (Var: Smoky Quartz) : SiO2, Fluorite : CaF2 | |
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Erongo Mountain, Usakos and Omaruru Districts, Erongo Region, Namibia 8.2 x 7.2 x 5.5 cm. Outstanding combination piece from a famous locality. The large (over 5 cm across) Albite twin is one of the finest I have ever seen of this habit. Combined with the other prismatic Albites and the pale smoky quartz crystals, this is truly a remarkable specimen. There are even small cubes of pale green fluorite to several mm ... |
| © Rob Lavinsky | Photo ID: 117635 View Count: 161 |
Almandine : Fe2+3Al2[SiO4]3 | |
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Erongo Mountain, Usakos and Omaruru Districts, Erongo Region, Namibia light difraction in gemmy garnet, I will do a specific gravity test and post results. garnet measures 15 mm x 11mm. picture with Nikon D90 Collection of Juan Jimenez |
| © Juan Jimenez 2009 | Photo ID: 248387 View Count: 131 |
Andradite : Ca3Fe3+2[SiO4]3 | |
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Davib East farm (Davib Ost farm), Karibib District, Erongo Region, Namibia 11 x 9 x 4.5 cm. Fine large plate of deep green, flat-lying, and highly lustrous Andradite Garnets. The largest is 1.5 cm on edge. |
| © Rob Lavinsky | Photo ID: 117539 View Count: 111 |
Andradite : Ca3Fe3+2[SiO4]3 | |
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Davib East farm (Davib Ost farm), Karibib District, Erongo Region, Namibia 11.3 x 5.2 x 4.4 cm. A bizarre specimen of odd greenish andradite, probably demantoid, garnets on matrix. Ex. Charlie Key. |
| © Rob Lavinsky | Photo ID: 163258 View Count: 71 |
Andradite : Ca3Fe3+2[SiO4]3 | |
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Erongo Region, Namibia Andradite crystals. Specimen is from the collection of the British Museum of Natural History #1929-137 (1975). Scale at bottom of image is an inch with a rule at one cm. |
| Photo ID: 217293 View Count: 28 | |
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Tubussis 22 farm (Tubussis; Tubusis; Tubessis), Karibib District, Erongo Region, Namibia 5.0 x 3.7 x 2.8 cm. GEM crystals of this rare garnet varietal to 1 cm, though with a small amount of edge damage to the major crystal (not visible except up close). Old material now hard to get. Ex. Charlie Key Collection. |
| © Rob Lavinsky | Photo ID: 131680 View Count: 236 |
Andradite (Var: Demantoid) : Ca3Fe3+2[SiO4]3 | |
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Tubussis 22 farm (Tubussis; Tubusis; Tubessis), Karibib District, Erongo Region, Namibia 11.2 x 6.0 x 4.9 cm. A rare matrix specimen of these important demantoid garnets from southern Namibia, featuring sharp crystals to 2 cm on matrix. Glassy lustre! |
| © Rob Lavinsky | Photo ID: 117747 View Count: 141 |
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Tubussis 22 farm (Tubussis; Tubusis; Tubessis), Karibib District, Erongo Region, Namibia 5.4 x 4.1 x 3.1 cm. Two sharp, gemmy and lustrous, leaf-green andradite variety demantoid garnet crystals to 6 mm attractively set in contrasting calc-silicate matrix from recent finds at Tubussis Farm 22 near the Erongo Mountains of Namibia. The large, gem crystal is pristine and the lightly bruised other garnet crystal is certainly not a ... |
| © Rob Lavinsky | Photo ID: 132366 View Count: 139 |
Andradite (Var: Demantoid) : Ca3Fe3+2[SiO4]3 | |
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Tubussis 22 farm (Tubussis; Tubusis; Tubessis), Karibib District, Erongo Region, Namibia 5 x 4 x 3.2 cm. Green demantoid garnets are EXCEEDINGLY rare, in fact one of the rarest of the gem crystals - and they are particularly uncommon in matrix specimens. This is a fine crystal of 10mm (one cm), with some nearby crystal embedded in matrix. |
| © Rob Lavinsky | Photo ID: 137956 View Count: 136 |
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Tubussis 22 farm (Tubussis; Tubusis; Tubessis), Karibib District, Erongo Region, Namibia 10.7 x 5.8 x 4.5 cm. Sitting on a bed of hundreds, if not thousands, of quartz crystals, the dozens upon dozens of Demantoids all have good color and are gemmy. The largest, which is about 1.2 cm, is quite gemmy and is composed of compound crystals. |
| © Rob Lavinsky | Photo ID: 118707 View Count: 135 |
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