Mineral specimens

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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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Garnet
Garnet

good colour but strongly eroded and with many inclusions, not facettable, rough weight 7.82cts

cut: natural crystal
origin: unknown
treatment: untreated
clarity: very distinct inclusions

1 piece
9.5 mm

9.00 €

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Sapphire
Sapphire

weight 4.73g

cut: natural crystal
origin: unknown
treatment: untreated
clarity: very distinct inclusions

1 piece
28.8 x 13.6 x 8.2 mm

72.00 €

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Spinel
Spinel

4.28cts, not facettable

cut: natural crystal
origin: unknown
treatment: untreated
clarity: very distinct inclusions

1 piece
10 x 8.3 x 7.6 mm

18.00 €

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Spinel
Spinel

rare blue spinel, rough weight 5.13cts, not facettable

cut: natural crystal
origin: unknown
treatment: untreated
clarity: very distinct inclusions

1 piece
10.1 x 8.3 x 8 mm

36.00 €

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Spinel
Spinel

5.63cts

cut: natural crystal
origin: unknown
treatment: untreated
clarity: opaque

1 piece
10.4 x 10.2 x 7.9 mm

18.00 €

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Zoisite
Zoisite

cut: natural crystal
origin: Pakistan, Gilgit, Hunza Valley
treatment: untreated
clarity: opaque

1 piece
28 x 11 x 6 mm

14.40 €

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