Opals
Gemstones
Jewelry
Coins
stars and gems目前正處於假期，可能需要比平常更長的時間才能回覆。
TOUCH STONE BEAD 17.10 CARATS 0355-6
- 存貨單位
- 尺寸（毫米）
- x x mm
- 重量 (cts)
- 類型
- Bead
- 顏色
-
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.
- 存貨單位
- 尺寸（毫米）
- x x mm
- 重量 (cts)
- 類型
- Bead
- 顏色
-
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.
| 運輸商 | 運送至：國家 | 運送到世界其他地區 |
|---|---|---|
| FedEx | $12.00 / ：幾天天 | $39.00 / ：幾天天 |
|
：國家
FedEx訂單折扣為$12.00 2或更多商品
世界其他地區
FedEx訂單折扣為$39.00 2或更多商品
|
||
| Registered Shipping | $9.00 / ：幾天天 | $16.00 / ：幾天天 |
|
：國家
Registered Shipping訂單折扣為$9.00 2或更多商品
世界其他地區
Registered Shipping訂單折扣為$16.00 2或更多商品
|
||
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積極的Beautiful piece
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積極的
Beautiful piece
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積極的
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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積極的
Paid and shipped - no feedback left after 100 days
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積極的
Paid and shipped - no feedback left after 100 days
