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 對包含 2 或更多商品的訂單折扣為 $12.00
世界其他地區
FedEx 對包含 2 或更多商品的訂單折扣為 $39.00
|
||
| Registered Shipping | $9.00 / ：幾天天 | $16.00 / ：幾天天 |
|
：國家
Registered Shipping 對包含 2 或更多商品的訂單折扣為 $9.00
世界其他地區
Registered Shipping 對包含 2 或更多商品的訂單折扣為 $16.00
|
||
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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
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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積極的
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!!
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積極的
This kings of stick is absolutely beautiful. 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
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積極的
awesome thanks
