• FLUORITE Erongo (Namibia) Natural Specimens and Crystals

    Erongo Region (Namibia) natural fluorite mineral specimens and crystals for sale

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  • NICE BLACK TOURMALINE (Schorl) IN FELDSPAR, Erongo ...

    Namibia 21/2 in x 2 inReally nice specimen from Namibia; specimen I''ve been holding in my collection. Jet blacktourmaline(var schorl) crystals are situated in an offwhite to tan feldspar matrix; probablyorthoclase.

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  • Giant Schorl on Feldspar

    From: Erongo Mountains, Namibia. Size: x x Weight: 1006g . ... It appears that this section of feldspar detacted from the host rock at some point in its life, and then quartz crystals started to grow on the detach area. So, on the underside of the specimen there is a coating of small quartz crystals.

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  • feldspar in namibia

    Namibia Accommodation Brandberg White Lady Lodge ... The Brandberg is the highest mountain in Namibia and is situated in the Namib desert which is about 80 million years old. At the foot of the Brandberg and flowing ...

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  • Aquamarine Feldspar crystal Erongo, Namibia

    Exquisite Aquamarine Feldspar crystal . Origin: Africa, Namibia, Erongo . A rare and beautiful Namibian, Erongo Aquamarine Crystal. These are becoming increasingly rare. The photos were taken in bright sunlight to bring out their best colours.

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  • Sold Feldspar from Hohenstein, Erongo Reg., Namibia | Minfind

    From: Hohenstein, Erongo Reg., Namibia Dimensions: 47x36x27mm Sold by: Via Mineralia The specimen is developed as floater and looks great in various positions. The assemble is much more tridimensional as you can see on my photography. The faces are glossy, color is very light not completely white, just a touch of ivory.

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  • PETROLOGY OF THE CRETACEOUS ANOROGENIC GROSS …

    ANOROGENIC GROSS SPITZKOPPE GRANITE STOCK, NAMIBIA by Stephen Frindt Division of Geology and Mineralogy ... Petrology of the Cretaceous anorogenic Gross Spitzkoppe granite stock, Namibia. Academic dissertation, University of Helsinki, Finland. ... magmatic maficintermediate enclaves with quartz and alkali feldspar xenocrysts within the

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  • K Feldspar: Mineral information, data and localities.

    Brown, and Parsons, I. (1984) The nature of potassium feldspar, exsolution microtextures and development of dislocations as a function of composition in perthitic alkali feldspars. Contributions to Mineralogy and Petrology: 86: 335341.

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  • Feldspar with Fluorite (Erongo, Namibia) | Cape Minerals

    Feldspar with Fluorite (Erongo, Namibia) Erongo region, Namibia. 30mm x 30mm x 25mm. Availability: 1 in stock. SKU: 2096. Qty: A little green Fluorite is perched at the base of the Feldspar crystals. This specimen shows the distinct bavino twin in the terminations.

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  • AESTHETIC GREEN FLUORITE and Feldspar Erongo Namibia ...

    AESTHETIC GREEN FLUORITE and Feldspar Erongo Namibia Green Fluorite and Feldspar Locality: Erongo Mountain, Karibib, Erongo Region, Namibia Dimensions: length 3 1/4" x depth 2" x height 1 3/4" Weight: 115 grams Fluorescent: Fluorescent blue. Light source: Convoy S2+ 365nm and ZWB2 Filter. I am selling my fluorescent and mineral collection.

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  • Rocks in the Field Index University of Oxford

    Rocks in the Field ... Scotland. (An arkose is a sandstone that contains a lot of feldspar in addition to quartz grains.) These steep mountains were shaped by the movement of ice sheets and glaciers over the past million years. ... Namib Desert Park, Namibia. Schist The outlines of tightlyfolded strata can be seen in this outcrop of mica ...

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  • Sold Aquamarine, Feldspar from Erongo Mountain, Erongo Reg ...

    Aquamarine, Feldspar. Erongo Mountain, Erongo Region, Namibia. 65 x 33 x 24mm. Previous Next. One from recent finds. I saw plenty of them. Sometimes colour shows shades of grey, sometimes not lustrouse and so on. Not so here . From: Via Mineralia. Reference: 451. minID: PMKLV6.

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  • Aquamarine on Feldspar From Erongo Region, Namibia ...

    Very pretty Terminated Aquamarine Crystalline Feldspar base Small deposits of Black Tourmaline in the Feldspar Found in the Erongo Region of Namibia

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  • Orthoclase | Namibia

    Introduction: Orthoclase is a combination of 2 Greek words orthos for ''right'' and klas meaning ''to break'' which refers to the mineral''s 2 prominent rightangled cleavages. It is found in igneous rocks, syenites and some sandstones such as arkose which has a high feldspar content. Distribution: Common in many of Namibia''s gneisses and granites.

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