Opals
Gemstones
Jewelry
Coins
stars and gems je trenutno na odmoru i može potrajati duže nego što je uobičajeno da odgovori.
TOUCH STONE BEAD 16.95 CARATS 0355-1
- SKU
- Dimenzije (mm)
- x x mm
- Težina (cts)
- Tip
- Bead
- Boje
-
DESCRIPTION:
GEM TYPE: TOUCHSTONE BEAD, HOLE DRILLED FOR NECKLACE.
WEIGHT: 16.95 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: 16.95 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 Australia | Dostava u ostatak svijeta |
|---|---|---|
| FedEx | $12.00 / 3 | $39.00 / 10 |
|
Australia
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 / 7 | $16.00 / 21 |
|
Australia
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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PozitivanBeautiful 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
Paid and shipped - no feedback left after 100 days
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Pozitivan
Paid and shipped - no feedback left after 100 days
