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TOUCH STONE BEAD 17.10 CARATS 0355-8
- SKU
- Dimensions (mm)
- x x mm
- Weight (cts)
- Type
- Bead
- Colours
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DESCRIPTION:
GEM TYPE: TOUCHSTONE BEAD, HOLE DRILLED FOR NECKLACE.
WEIGHT: 17.10 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
- Dimensions (mm)
- x x mm
- Weight (cts)
- Type
- Bead
- Colours
-
DESCRIPTION:
GEM TYPE: TOUCHSTONE BEAD, HOLE DRILLED FOR NECKLACE.
WEIGHT: 17.10 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.
| Shipping provider | Shipping to Australia | Shipping to rest of world |
|---|---|---|
| FedEx | $12.00 / 3 days | $39.00 / 10 days |
|
Australia
FedEx is discounted to $12.00 on orders with 2 or more items
Rest of the world
FedEx is discounted to $39.00 on orders with 2 or more items
|
||
| Registered Shipping | $9.00 / 7 days | $16.00 / 21 days |
|
Australia
Registered Shipping is discounted to $9.00 on orders with 2 or more items
Rest of the world
Registered Shipping is discounted to $16.00 on orders with 2 or more items
|
||
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PositiveBeautiful piece
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Positive
Beautiful piece
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Positive
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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Positive
Paid and shipped - no feedback left after 100 days
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Positive
Paid and shipped - no feedback left after 100 days
