Collector´s gems

In alphabetical order.

Prices include 20% VAT

Adularia Feldspar
Adularia Feldspar

from salzburg, exact location unknown

cut: emerald cut
origin: Austria
treatment: untreated
clarity: eyeclean

0.72 cts á 216.00 €
6.2 x 4.9 x 3.8 mm

155.52 €

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Anglesite
Anglesite

from tsumeb

cut: oval
origin: Namibia, Kunene River
treatment: untreated
clarity: very very small inclusions

7.92 cts á 90.00 €
11.3 x 8.4 x 5.8 mm

712.80 €

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Aquamarine With Negative Tourmaline
Aquamarine With Negative Tourmaline

large aquamarine crystal with etch figures at both ends. the hydrofluoric acid causing these figures also etched an included, large tourmaline crystal out of the aquamarine. the result is a surface-reaching "negative crystal", a cavity in the shape of the tourmaline crystal which even shows the tourmalines typical striations!

cut: natural crystal
origin: Pakistan, Gilgit, Hunza Valley
treatment: untreated
clarity: very distinct inclusions

1 piece
28 x 22 x 18 mm

600.00 €

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Bahianite
Bahianite

rare mineral, discovered 1978, hardly ever facetted, mohs hardness 9!!

cut: oval
origin: Brazil
treatment: untreated
clarity: opaque

0.93 cts á 270.00 €
5.4 x 4.8 mm

251.10 €

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Bahianite
Bahianite

rare mineral, discovered 1978, hardly ever facetted, mohs hardness 9!!

cut: oval
origin: Brazil
treatment: untreated
clarity: opaque

0.66 cts á 210.00 €
5.8 x 4.3 mm

138.60 €

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Bahianite
Bahianite

rare mineral, discovered 1978, hardly ever facetted, mohs hardness 9!!

cut: pear
origin: Brazil
treatment: untreated
clarity: opaque

0.57 cts á 210.00 €
5.5 x 3.9 mm

119.70 €

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Benitoite
Benitoite

from the dallas gem mine, california

cut: round
origin: unknown
treatment: untreated
clarity: distinct inclusions

0.15 cts á 1,200.00 €
3.2 mm

180.00 €

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Beryl
Beryl

very very light pink, almost a goshenite (colourless beryl), excellent cut and polish, a brilliant gem

cut: octagon
origin: unknown
treatment: untreated
clarity: eyeclean

3.40 cts á 54.00 €
11.8 x 7.4 x 5.4 mm

183.60 €

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Brazilianite
Brazilianite

cut: trapezoid
origin: Brazil
treatment: untreated
clarity: very distinct inclusions

1.39 cts á 54.00 €
7.2 x 7 mm

75.06 €

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Bytownite (Plagioclase Feldspar)
Bytownite (Plagioclase Feldspar)

twin lamellae clearly visible through loupe on one side

cut: baguette
origin: Ethiopia
treatment: untreated
clarity: small inclusions

3.09 cts á 20.80 €
12.8 x 7.1 x 4.6 mm

64.27 €

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Bytownite (Plagioclase Feldspar)
Bytownite (Plagioclase Feldspar)

cut: cushion
origin: Ethiopia
treatment: untreated
clarity: very small inclusions

7.73 cts á 27.00 €
16.9 x 10.3 mm

208.71 €

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Bytownite (Plagioclase Feldspar)
Bytownite (Plagioclase Feldspar)

cut: octagon
origin: Ethiopia
treatment: untreated
clarity: eyeclean

3.79 cts á 81.00 €
12.8 x 7.4 x 5.9 mm

306.99 €

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Bytownite (Plagioclase Feldspar)
Bytownite (Plagioclase Feldspar)

cut: oval
origin: Ethiopia
treatment: untreated
clarity: distinct inclusions

4.25 cts á 72.00 €
13 x 8.3 x 6.7 mm

306.00 €

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Clinohumite
Clinohumite

cut: oval
origin: unknown
treatment: untreated
clarity: small inclusions

0.65 cts á 180.00 €
6.6 x 4.8 mm

117.00 €

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Colour Change Sapphire
Colour Change Sapphire

cut: cushion
origin: Madagascar
treatment: untreated
clarity: distinct inclusions

0.83 cts á 738.00 €
5.7 x 4.7 x 3.4 mm

612.54 €

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Cuprite
Cuprite

a copper ore, which is hardly ever cut. fine metallic lustre, appears shiny red in transmitted light, small at the girdle

cut: oval
origin: Namibia, Kunene River
treatment: untreated
clarity: translucent

13.65 cts á 24.00 €
16.3 x 9.6 x 6.3 mm

327.60 €

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Danburite
Danburite

cut: radiant
origin: Mexico
treatment: untreated
clarity: eyeclean

3.03 cts á 72.00 €
9.3 x 7.8 x 5.4 mm

218.16 €

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Danburite
Danburite

very, very slightly pinkish

cut: radiant
origin: Mexico
treatment: untreated
clarity: very small inclusions

5.75 cts á 72.00 €
12.3 x 8.8 x 6.7 mm

414.00 €

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Hauyn
Hauyn

cut: pear
origin: Germany
treatment: untreated
clarity: distinct inclusions

0.31 cts á 1,260.00 €
5.4 x 4.2 x 3.1 mm

390.60 €

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Herderite
Herderite

cut: baguette
origin: Brazil
treatment: untreated
clarity: very small inclusions

1.50 cts á 180.00 €
8.4 x 5.5 x 3.5 mm

270.00 €

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Herderite
Herderite

extremely rare colour

cut: trillion
origin: Brazil
treatment: untreated
clarity: very small inclusions

3.44 cts á 160.00 €
10.8 mm

550.40 €

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Hyalophane
Hyalophane

from the famous zagradski potok mine

cut: emerald cut
origin: Bosnia and Herzegovina
treatment: untreated
clarity: small inclusions

0.74 cts á 450.00 €
7.5 x 4 x 3.1 mm

333.00 €

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Hyalophane
Hyalophane

from the famous zagradski potok mine

cut: fancy cut
origin: Bosnia and Herzegovina
treatment: untreated
clarity: eyeclean

1.00 cts á 522.00 €
8 x 5.1 x 4 mm

522.00 €

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Jeremejevite
Jeremejevite

cut: emerald cut
origin: Namibia, Kunene River
treatment: untreated
clarity: distinct inclusions

0.68 cts á 540.00 €
6.6 x 3.8 x 2.8 mm

367.20 €

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Jeremejewite
Jeremejewite

cut: baguette
origin: Namibia, Kunene River
treatment: untreated
clarity: distinct inclusions

1.13 cts á 1,512.00 €
7 x 4.8 x 3.8 mm

1,708.56 €

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Jeremejewite
Jeremejewite

cut: baguette
origin: Namibia, Kunene River
treatment: untreated
clarity: small inclusions

1.10 cts á 1,499.40 €
10.3 x 3.5 x 3.2 mm

1,649.34 €

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Jeremejewite
Jeremejewite

cut: emerald cut
origin: Namibia, Kunene River
treatment: untreated
clarity: small inclusions

0.72 cts á 1,458.00 €
7 x 3.8 x 2.8 mm

1,049.76 €

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Natrolite
Natrolite

exact location: gunjale, ahmednagar district, maharashtra

cut: cabochon oval
origin: India
treatment: untreated
clarity: semi-translucent

28.71 cts á 1.60 €
27.6 x 18.3 x 7.5 mm

45.94 €

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Oregon Sunstone
Oregon Sunstone

plagioclase feldspar

cut: fancy cut
origin: United States
treatment: untreated
clarity: very distinct inclusions

2.59 cts á 81.00 €
9.1 x 7.7 x 6 mm

209.79 €

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Orthoclase Feldspar
Orthoclase Feldspar

perfectly cut for maximum brilliance

cut: radiant
origin: Madagascar
treatment: untreated
clarity: eyeclean

43.27 cts á 54.00 €
23.7 x 20.6 mm

2,336.58 €

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Paraíba Type Indigolite
Paraíba Type Indigolite

cut: oval
origin: Mozambique
treatment: untreated
clarity: very distinct inclusions

5.49 cts á 750.00 €
13.6 x 9 x 6.7 mm

4,117.50 €

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Petalite
Petalite

cut: fancy cut
origin: unknown
treatment: untreated
clarity: very distinct inclusions

3.15 cts á 16.00 €
11.2 x 7.3 mm

50.40 €

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Powellite
Powellite

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 9.60 €
13.2 x 9.7 x 5.2 mm

84.96 €

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Pyroxmangite
Pyroxmangite

extremely rare manganese silicate

cut: fancy cut
origin: Brazil
treatment: untreated
clarity: very distinct inclusions

1.06 cts á 540.00 €
7 x 5.6 x 2.7 mm

572.40 €

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Rhodonite
Rhodonite

outstanding rhodonite of excellent colour and sensational size

cut: oval
origin: Brazil
treatment: untreated

28.96 cts á 80.00 €
22.6 x 15.7 x 9.6 mm

2,316.80 €

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Rubellite With Quartz
Rubellite With Quartz

intergrowth of red tourmaline and white wquartz, found 2015 in brazil

cut: cabochon oval
origin: Brazil
treatment: untreated
clarity: semi-translucent

3.78 cts á 12.60 €
14.1 x 11.4 x 3.1 mm

47.63 €

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Rubellite With Quartz
Rubellite With Quartz

intergrowth of red tourmaline and white wquartz, found 2015 in brazil

cut: cabochon oval
origin: Brazil
treatment: untreated
clarity: semi-translucent

7.43 cts á 12.60 €
14.5 x 11.2 x 6 mm

93.62 €

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Rubellite With Quartz
Rubellite With Quartz

intergrowth of red tourmaline and white wquartz, found 2015 in brazil

cut: cabochon oval
origin: Brazil
treatment: untreated
clarity: semi-translucent

5.92 cts á 12.60 €
15.3 x 12.5 x 3.7 mm

74.59 €

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Rubellite With Quartz
Rubellite With Quartz

intergrowth of red tourmaline and white wquartz, found 2015 in brazil

cut: cabochon pear
origin: Brazil
treatment: untreated
clarity: semi-translucent

7.73 cts á 12.60 €
17 x 12.3 x 4.8 mm

97.40 €

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Rubellite With Quartz
Rubellite With Quartz

intergrowth of red tourmaline and white wquartz, found 2015 in brazil

cut: cabochon pear
origin: Brazil
treatment: untreated
clarity: semi-translucent

9.18 cts á 12.60 €
21.2 x 14.3 x 4 mm

115.67 €

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Rutile
Rutile

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 112.00 €
10 x 3.5 x 2.15 mm

116.48 €

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Sapphire
Sapphire

shows a slight colourchange from blue to purple (daylight/incandescent light)

cut: cushion
origin: Sri Lanka
treatment: untreated
clarity: very small inclusions

3.68 cts á 2,520.00 €
9.3 x 7.3 mm

9,273.60 €

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Sapphire
Sapphire

displays colour change from blue in daylight to purplish blue in incandescent light. comes with a GIC (gemmological institue of colombo) certificate

cut: cushion
origin: Sri Lanka
treatment: untreated
clarity: small inclusions

4.20 cts á 3,420.00 €
10.2 x 8.1 x 5.8 mm

14,364.00 €

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Scheelite
Scheelite

good colour and high clarity, from tha natas farm gamsberg area, namibia

cut: oval
origin: Namibia, Kunene River
treatment: untreated
clarity: very small inclusions

10.27 cts á 90.00 €
14.3 x 8.7 x 6.2 mm

924.30 €

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Siderite (Iron Spar)
Siderite (Iron Spar)

cut: emerald cut
origin: Brazil
treatment: untreated
clarity: translucent

2.18 cts á 64.00 €
7.4 x 7.4 x 3.7 mm

139.52 €

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Sphene (Titanite)
Sphene (Titanite)

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 450.00 €
3 mm

40.50 €

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Spinel
Spinel

very rare deep purplish blue colour, shows a weak colour change effect, with a certificate of the Gem Testing Laboratory of Jaipur, India

cut: cushion
origin: Sri Lanka
treatment: untreated
clarity: very very small inclusions

3.70 cts á 270.00 €
10 x 7.5 mm

999.00 €

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Star Bronzite
Star Bronzite

cut: cabochon oval
origin: India
treatment: untreated
clarity: opaque

2.20 cts á 32.00 €
9 x 6.9 mm

70.40 €

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Star Bronzite
Star Bronzite

cut: cabochon oval
origin: India
treatment: untreated
clarity: opaque

2.40 cts á 32.00 €
10.4 x 6.6 mm

76.80 €

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Star Bronzite
Star Bronzite

cut: cabochon round
origin: India
treatment: untreated
clarity: opaque

2.06 cts á 32.00 €
8 x 7.6 mm

65.92 €

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Staurolite
Staurolite

cut: rough
origin: unknown
treatment: untreated
clarity: opaque

1 piece
25.8 x 12.5 x 9.1 mm

9.00 €

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Tourmaline (Verdelite)
Tourmaline (Verdelite)

very lively bi-coloured gem, pleasant colour

cut: baguette
origin: Nigeria
treatment: untreated
clarity: very very small inclusions

3.14 cts á 162.00 €
9.5 x 6.9 x 5.5 mm

508.68 €

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Trapiche Emerald
Trapiche Emerald

cut: rough
origin: Colombia
treatment: untreated
clarity: opaque

1 piece
4.4 x 4.3 mm

162.00 €

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Vesuvianite (Idocrase)
Vesuvianite (Idocrase)

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 180.00 €
5.6 x 4.3 mm

97.20 €

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Vesuvianite (Idocrase)
Vesuvianite (Idocrase)

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 180.00 €
6 x 4 mm

61.20 €

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