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TOUCH STONE BEAD 17 CARATS 0355-4
- SKU
- Dimenzije (mm)
- x x mm
- Težina (cts)
- Tip
- Bead
- Boje
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DESCRIPTION:
GEM TYPE: TOUCHSTONE BEAD, HOLE DRILLED FOR NECKLACE.
WEIGHT: 17 CARATS
SIZE: 24 X 13 X 10 MM
COLOUR: BLACK
CLARITY: OPAQUE
1 PIECE
ADDITIONAL COMMENT:
A TOUCHSTONE IS A SMALL TABLET OF DARK STONE SUCH AS FIELDSTONE, SLATE OR LYDITE, USED FOR
ASSAYING PRECIOUS METAL ALLOYS. IT HAS A FINELY GRAINED SURFACE ON WHICH SOFT METALS LEAVE A
VISIBLE TRACE.
DRAWING A LINE WITH THE GOLD ON THE TOUCHSTONE WILL LEAVE A VISIBLE TRACE. THE TRACE WILL
REACT DIFFERENTLY TO SPECIFIC CONCENTRATION OF NITRIC ACID, THEREBY IDENTIFYING THE QUALITY
OF THE GOLD. THUS 18 CT PURITY IS NOT AFFECTED BUT 14 CT GOLD WILL SHOW CHEMICAL ACTIVITY.
- SKU
- Dimenzije (mm)
- x x mm
- Težina (cts)
- Tip
- Bead
- Boje
-
DESCRIPTION:
GEM TYPE: TOUCHSTONE BEAD, HOLE DRILLED FOR NECKLACE.
WEIGHT: 17 CARATS
SIZE: 24 X 13 X 10 MM
COLOUR: BLACK
CLARITY: OPAQUE
1 PIECE
ADDITIONAL COMMENT:
A TOUCHSTONE IS A SMALL TABLET OF DARK STONE SUCH AS FIELDSTONE, SLATE OR LYDITE, USED FOR
ASSAYING PRECIOUS METAL ALLOYS. IT HAS A FINELY GRAINED SURFACE ON WHICH SOFT METALS LEAVE A
VISIBLE TRACE.
DRAWING A LINE WITH THE GOLD ON THE TOUCHSTONE WILL LEAVE A VISIBLE TRACE. THE TRACE WILL
REACT DIFFERENTLY TO SPECIFIC CONCENTRATION OF NITRIC ACID, THEREBY IDENTIFYING THE QUALITY
OF THE GOLD. THUS 18 CT PURITY IS NOT AFFECTED BUT 14 CT GOLD WILL SHOW CHEMICAL ACTIVITY.
Pružatelj usluge dostave | Dostava u Australia | Dostava u ostatak svijeta |
---|---|---|
FedEx | $12.00 / :dani dani | $39.00 / :dani dani |
:zemlja
FedEx je snižen na $12.00 na narudžbe s 2 ili više artikala
Ostatak svijeta
FedEx je snižen na $39.00 na narudžbe s 2 ili više artikala
|
||
Registered Shipping | $9.00 / :dani dani | $16.00 / :dani dani |
:zemlja
Registered Shipping je snižen na $9.00 na narudžbe s 2 ili više artikala
Ostatak svijeta
Registered Shipping je snižen na $16.00 na narudžbe s 2 ili više artikala
|
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Pozitivan
Beautiful piece
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Pozitivan
Beautiful piece
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Pozitivan
Beautiful gemstone. Checked to be genuine Tourmaline. Color was light pink. I was hoping for a pinkish purple as in the pictures. Great transaction and prompt shipping. Thank you.
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Pozitivan
Fast shipping And this Lapiz Lazuli necklace is beautiful. Fast shipping. this item was shipped from Australia to my home in the US less than four days!!
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Pozitivan
Beautiful Bracelet. Such fast shipping!! I live in the US and this item was shipped to me from Australia and and I received it in less than four days!!