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osirisgems - handfaceted quality-gems:

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Brazil Aquamarine
 
A mirror-cut Aquamarine from Brazil with lots of internal life. The cracks makes a lot of sparkles, very fine colour.
  1.78 cts., 7.2 x 5.2 mm.
sold


 
Brazil Aquamarine, 1.78 cts.  



















 
 
Nigerian Sapphire
 
Yes, you´re right this is a tiny gem. When I bought the rough with 4.45 cts. I hoped to have a result slightly over one carat. Not visible was a crack at the place of the pavillions tip. So I had to cut and cut and it became smaller and smaller. All the trouble zones with inclusions and cracks left and it became smaller and smaller, but I was not willing to give it up. The result is an outstanding, flawless little gem with 100% meetpoints, great vivid colour and just enough colourzoning to show its natural origin.
  0.44 cts., 4.1 x 4.1 x 2.9 mm.
sold


 
Nigerian Sapphire, 0.44 cts., "Ezbar Square"  



















 
 
Copper Chalcedony
 
Here is an ultra-rare gem from the andean mountains in bolivia. I don´t do cabochons so often but this was a good reason for an exception:
Chrysocolla in Chalcedony with lots of pure copper.
  52.94 cts., 31.0 x 7.1 mm.
sold



 
Copper & Chrysocolla in Chalcedony from Turco, Oruro, Bolivia, 52.94 cts.  



















 
 
Ejeda Spessartine
 
My madagascar-dealer surprised me this summer with a lot of Spessartines from Ejeda. I didn´t knew that Madagascar also has orange coloured Spessartines. Maybe not the same type of colour as Mandarin-Garnets used to have but the internals with some horsetail like inclusions reminds me on the very few ones from Namibia. Cool stuff with very unusual colour, a fine addition for garnet lovers!
4.61 cts., 12.2 x 9.9 x 6.3 mm
available

 
Ejeda Spessartin, 4.61 cts.  



















 
 
Madagascan Girasol-Quartz
 
Pipistrelli Girasol-Quartz from Madagascar, clean (with some silk) and brilliant.
6.73 cts., 13.6 x 9.9 mm
available

 
Madagascan Girasol-Quartz, 6.73 cts.  



















 
 
Songea color-change Rhodolite
 
Here comes an extremely rare colorchange Rhodolite from Songea (!!!) in Tanzania. In daylight the colour is a greyish mauve and it turns to pink in incandescent light conditions. Additionally it has an unbelievable dispersion that increases the brilliance . This beauty was hide in big parcel of sapphires from Songea and it really could be mistaken for an corundum, but all the tests says it is Rhodolite Garnet, there is a crack at half past five that is well hided under the corners of the crown.
0.89 cts., 5.7 x 4.0 mm

sold

 
Songea RHODOLITE, 0.89 cts., color change, custom cut  



















 
 
Arusha Tanzanite
 
The new standard for Tanzanites as Liquid Flowers!
Blue and purple colours are flashing side by side in this great gem. IF-clarity and spectacular rolling reflections. Turn it to one side and it is pure purple or to the opposite and it will be blue.
I couldn´t do it better!
10.31 cts., 13.5 x 9.1 mm
available



 
Arusha Tanzanite, 10.35 cts.  



















 
 
Marolambo Rhodolite
 
very saturated magenta red colour, near eyeclean (that is very unusual for the Marolambos!).
  3.32
cts.,8.8 x 6.6 mm
available



 
Marolambo Rhodolite, 3.32 cts.  



















 
 
Mavumbi Zircon
 
A near colourless Zircon from Mavumbi in Tanzania. Near colourless means a white body-colour with just one  cognac-coloured edge  that reflects its colour also into the opposite edge. Very lively, perfectly clean and in a good size.
3.05 cts., 7.8 x 5.2 mm
available




 
Mavumbi Zircon, 3.05 cts.  



















 
 
Mahenge Garnet

 
Extremely saturated magenta pink Mahenge Garnet. Really hard to catch fine roughs in this size. And no question these rare Garnets are expensive even if it has some internals like this one. But hey the colour is unbelievable and shifts a bit from magenta red in incandescent to more pinkish in fluoro light.
3.09 cts., 8.6 x 6.3 mm
available




 
Mahenge Garnet, 3.09 cts.
Mahenge Garnet, 3.09 cts.
 



















 
 
Afghani Tourmaline
 
Nice coloured afghani Tourmaline in my Trinity-design with only 17 facets and its triple sunburst pattern. Flawless clarity, c-axis colour.
1.36 cts., 6.9 x 5.3 mm
sold but similar gem/rough is in stock




 
Afghani Tourmaline, 1.36 cts.  



















 
 
Namibian Demantoid
 
This rare member of the garnet family was found in Erongo, Namibia. The daylight-colour reminds a little of peridot, while incandescent light turns the colour more to yellowish green. The dispersion sparkles are unbelievable in this only very lightly included (near eyeclean) gem. Custom Cut.
  1.62 cts., 6.8 x 5.0 mm
sold



 
Namibian Demantoid 1.62 cts.  



















 
 
Antsirabe Tourmaline
 
From the same small pocket near Antsirabe like the "Bar Square 3/4" this strong pink Tourmaline comes from. The colours in this lot are really fine and so different to most other Tourmalines. They have a noticeable anisotropy in the hardness and often some internals like this one but not too much, a very lively sparkler!
0.38 cts., 4.6 x 4.0 mm
available

 
Antsirabe Tourmaline, 0.38 cts.  



















 
 
Savannah Tanzanite
 
I´m always searching for fine Tanzanites even in the more rare colours. And the Savannah-Tanzanites are with no question my favorites. Extremely hard to get after most roughs are routinely heated to receive the beautiful purplish blue colour.
But the play of gold, violet, cognac, bronze is unbelievable. Here I have an example that should get a place in a collection. Top clarity with nothing inside, a highend cut with many reflections
but there is one thing I have to say against it:
There is a small crack, not noticable in the pic but existent so it would be a high risk to set it.
Better enjoy it in your collection!
There is a slightly colour-shift in most Savannah Tanzanites, the daylight colour is the best with a little more pink colour.
2.27 cts., 8.7 x 6.9 x 6.1 mm
available

 
Savannah Tanzanite, 2.27 cts.  



















 
 
Mananjary Hyazinth
 
I don´t know if you are familiar with the old name for pinkish Zircons? In eastern Germany we have some localities for small examples of this gemstone. In old fables it is often used.
This one is from Madagascar, exactly from Mananjary at the eastcoast. Eyeclean and faceted in the "Rands Cut Corner Rectangle #1" from XXXX.
1.78 cts., 7.0 x 5.1 mm
sold

 
Mananjary Hyazinth, 1.78 cts.  



















 
 
Ampanihy Garnet
 
Another lovely tiny that should have been much bigger...
A sevensided "Tudor´s Kaleidoskop" in a clean Rhodolite from Ampanihy, Madagascar.
0.49 cts., 4.4 x 3.5 mm
available




 
Ampanihy Garnet, 0.49 cts.  



















 
 
Black Spinel from China
 
While the typical Spinels have very fine colours in red, pink, blue and other colours there are also some completely black and intransparent iron containing Spinels also called Pleonast. They have an unbelievable shine and I´m sure I´m not the only one to love this uncommon gem.
13.51 cts., 14.7 x 9.6 mm
sold but similar gem/rough is in stock




 
Black Spinel, 13.51 cts.  



















 
 
Ejeda Spessartine
 
Orange Spessartine from Ejeda in Madagascar. Not hot or fanta enough to call it mandarin, the is more a mixture of orange with the srilankan Cinnamon-Garnet. Anyway an extremely hard to catch rough in top clarity, nearest to eyeclean. I cut it a bit "high-dome" to receive a higher dispersion and stronger reflections.
1.42 cts., 6.3 x 5.1 mm
sold but similar gem/rough is in stock








 
Ejeda Spessartine, 1.42 cts.  



















 
 
Marolambo Rhodolite
 
Very saturated and dark (but not too dark!) Rhodolite from Marolambo in Madagascar. There are some internals visible - also for the naked eye -  but not too prominent.
Still a big sparkler!
  5.54
cts., 11.2 x 8.0 mm
$ 245.-



 
Marolambo Rhodolite, 5.54 cts.  



















 
 
Oregon Fire Opal
 
My stock of bigger Fire Opals from Juniper Ridge, Oregon is running out. This is a fine example of this stuff with nice colour, not too much silk and really big size! The "Pelegrinsche Drachen" is even in silky gems a well performing design.
6.31 cts., 22.1 x 12.1 x 8.7 mm
sold




 
Fire Opal from Juniper Ridge, Oregon, 6.31 cts.  



















 
 
Tanzanian Dravite
 
Very big Tanzanian Dravite (Tourmaline Group) in orange, cola  and grenish yellow colours with strong dichroism.
7.11
cts., 13.2 x 8.3 x 8.0 mm
sold




 
Tanzanian Dravite, 7.11 cts.  



















 
 
Val Val Smoky Quartz
 
The next Val Val Smoky Quartz in my version of the  "YinYang"-design. Great medium smoky colour with flawless clarity, best meetpoints and lots of life inside. The crowns surface is half polished and hald matt to show the polarity of all things
13.83 cts., 16.7 x 14.3 mm
sold but similar gem/rough is in stock




 
Val Val Smoky Quartz 2, 13.83 cts.  



















 
 
Brazil Citrine
 
Finest brazil Citrine in Marco Voltolinis "Markoh-i-noor" with 152 facets. Flawless stuff from a new Idar-Oberstein dealer, bought last year at the Munich Show.
16.73 cts., 15.3 x 13.9 mm
sold but similar gem/rough is in stock
 
Brazil Citrine, 16.73 cts.  



















 
 
Idaho Garnet/Almandine
 
Another american gem from Idaho the Almandite Garnet from Bechtel Butte in Latah County. The colour is very dark magenta red but there are still some reflections visible. Closed to black but with dark magenta flashes. Clarity is good for this locality, some minor inclusions from Biotite Mica.
10.71 cts., 13.0 x 9.2 mm
sold but similar rough is in stock



 
Idaho Garnet, 10.71 cts.  



















 
 
Tunduru Hessonite
 
This is a deep saturated red-orange Hessonite from Tunduru in Tanzania. Custom cut in the "Half Brilliant"-design with optimized angles for a lively & sparkling gem. As so typical for Hessonites there are some internal structures (anormal birefringence) but you will need a magnification to see it. A fine gem for collectors as well as for fine jewelry,
0.95 cts., 5.8 x 4.1 mm

sold but similar gem/rough is in stock
 
Tunduru Hessonite 0.95 cts.  



















 
 
Arusha Tanzanite
 
Another natural (means untreated) Tanzanite that has escaped from being heated. So the colour is soft and trichroitic with bluish purple, light violet and some green aspects. Ezbar Square design with its superflat table.
1.11 cts., 6.1 x 4.4 mm
available




 
Arusha Tanzanite, 1.11 cts.  



















 
 
Magenta-red Umbalite
 
Umbalite/Rhodolite Garnet from Northern Tanzania. Superb magenta-red colour and eyeclean clarity (with some typical of the region rutile-needles inside, invisible for the unaided eye). Custom cut in my "Trinity Hexagon"-design with its triple-star pattern. Please regard that there is some colour-change aspect in this garnet, high-end faceting for this unusual and rare gem.
 1.65 cts., 6.3 x 5.6 mm

sold but similar gem/rough is in stock
 
Magenta-red Umbalite, 1.65 cts.  












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Page last updated: Sonntag, 19. August, 2018 22:11 MEZ