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| bahianite |
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rare mineral, discovered 1978, hardly ever facetted, mohs hardness 9!!
cut: oval
origin: brazil
treatment: untreated
clarity: opaque |
0.66 cts á EUR 210.00
5.8x4.3 mm
EUR 138.60 |
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| bahianite |
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rare mineral, discovered 1978, hardly ever facetted, mohs hardness 9!!
cut: oval
origin: brazil
treatment: untreated
clarity: opaque |
0.93 cts á EUR 270.00
5.4x4.8 mm
EUR 251.10 |
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| benitoite |
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from the dallas gem mine,
california
cut: round
origin: usa
treatment: untreated
clarity: distinct inclusions |
0.15 cts á EUR 1,300.00
3.2 mm
EUR 195.00 |
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| bytownite (plagioclase feldspar) |
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twin lamellae clearly visible through loupe on one
side
cut: baguette
origin: ethiopia
treatment: untreated
clarity: small inclusions |
3.09 cts á EUR 16.90
12.8x7.1x4.6 mm
EUR 52.22 |
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| bytownite (plagioclase feldspar) |
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cut: cushion
origin: ethiopia
treatment: untreated
clarity: very small inclusions |
7.73 cts á EUR 19.50
16.9x10.3 mm
EUR 150.74 |
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| danburite |
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beautiful, lively gem of bright yellow colour, much better than depicted!
cut: emerald cut
origin: usa
treatment: untreated
clarity: small inclusions |
2.42 cts á EUR 32.50
9.6x6.8x4.9 mm
EUR 78.65 |
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| herderite |
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cut: baguette
origin: brazil
treatment: untreated
clarity: very small inclusions |
1.50 cts á EUR 130.00
8.4x5.5x3.5 mm
EUR 195.00 |
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| herderite |
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extremely rare colour
cut: trillion
origin: brazil
treatment: untreated
clarity: very small inclusions |
3.44 cts á EUR 130.00
10.8 mm
EUR 447.20 |
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| kyanite (disthene) |
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fine light blue, slight zoning
cut: oval
origin: nepal
treatment: untreated
clarity: small inclusions |
2.69 cts á EUR 90.00
8.7x7.1 mm
EUR 242.10 |
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| kyanite (disthene) |
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royal blue, eyeclean
cut: oval
origin: nepal
treatment: untreated
clarity: very very small inclusions |
1.76 cts á EUR 198.00
7.9x5.2 mm
EUR 348.48 |
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| natrolite |
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exact location: gunjale, ahmednagar district, maharashtra
cut: cabochon oval
origin: india
treatment: untreated
clarity: semi-translucent |
28.71 cts á EUR 1.30
27.6x18.3x7.5 mm
EUR 37.32 |
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| orthoklas feldspar |
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perfectly cut to maximum effect and light
cut: radiant
origin: madagascar
treatment: untreated
clarity: eyeclean |
43.27 cts á EUR 48.00
23.7x20.6 mm
EUR 2,076.96 |
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| phenakite |
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cut: trapeze
origin: brazil
treatment: untreated
clarity: distinct inclusions |
1.32 cts á EUR 39.00
9.1x7.6x3.0 mm
EUR 51.48 |
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| powellite |
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very rare secondary mineral of the scheelite group, produced by chemical weathering, exact location: mahodari, nasik district, maharashtra
cut: cabochon oval
origin: india
treatment: untreated
clarity: translucent |
8.07 cts á EUR 5.20
13.7x8.8x5.1 mm
EUR 41.96 |
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| powellite |
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very rare, partly transparent secondary mineral of the scheelite group, produced by chemical weathering, exact location: mahodari, nasik district, maharashtra
cut: cabochon oval
origin: india
treatment: untreated
clarity: very distinct inclusions |
8.85 cts á EUR 7.80
13.2x9.7x5.2 mm
EUR 69.03 |
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| pyroxmangite |
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extremely rare
manganese silicate
cut: fancy cut
origin: brazil
treatment: untreated
clarity: very distinct inclusions |
1.06 cts á EUR 390.00
7.0x5.6x2.7 mm
EUR 413.40 |
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| rutile |
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dark red with very high metallic lustre. rutile is a common inclusion in other minerals (corundum, quartz) but facetted rutile gemstones are extremely rare
cut: emerald cut
origin: brazil
treatment: untreated
clarity: very distinct inclusions |
1.04 cts á EUR 91.00
10.0x3.5x2.15 mm
EUR 94.64 |
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| rutile cat´s eye |
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needs strong light, almost impossible to photograph, metallic luster typical for rutile, worldwide the only
specimen we know of!!
cut: cabochon oval
origin: sri lanka (ceylon)
treatment: untreated
clarity: opaque |
1.39 cts á EUR 260.00
7.0x5.0x3.6 mm
EUR 361.40 |
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| siderite (iron spar) |
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cut: emerald cut
origin: brazil
treatment: untreated
clarity: translucent |
2.18 cts á EUR 52.00
7.4x7.4x3.7 mm
EUR 113.36 |
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| sphene (titanite) |
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location: eiffel (rare!), 2 small cavities at girdle (from surface-reaching inclusions)
cut: round
origin: germany
treatment: untreated
clarity: distinct inclusions |
0.09 cts á EUR 450.00
3.0 mm
EUR 40.50 |
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trapiche emerald  |
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cut: rough
origin: colombia
treatment: untreated
clarity: opaque |
1 piece
5.3x4.7 mm
EUR 135.00 |
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| trapiche emerald |
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cut: rough
origin: colombia
treatment: untreated
clarity: opaque |
1 piece
4.4x4.3 mm
EUR 135.00 |
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| triphylite |
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rare specimen of selected quality and unusually distinct colour change
cut: fancy cut
origin: brazil
treatment: untreated
clarity: very very small inclusions |
0.90 cts á EUR 300.00
7.8x6.1 mm
EUR 270.00 |
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| vesuvianite (idocrase) |
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new location in sidamo province/ethiopia. the colour is typical for chrome
vesuvianite but curiously the stone does not show the chelseafilter reaction associated with chromium content
cut: pear
origin: ethiopia
treatment: untreated
clarity: distinct inclusions |
0.54 cts á EUR 130.00
5.6x4.3 mm
EUR 70.20 |
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| vesuvianite (idocrase) |
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new location in sidamo province/ethiopia. the colour is typical
for chrome vesuvianite but curiously the stone does not show the chelseafilter reaction associated with chromium
content
cut: rose
origin: ethiopia
treatment: untreated
clarity: small inclusions |
0.34 cts á EUR 130.00
6x4 mm
EUR 44.20 |
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