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4.5 CT STUNNING UNTREATED ZIRCON ~ PAKISTAN
- SKU
- 寸法(mm)
- 9 x 9 x 5mm
- 重さ (CT)
- Certified Gemstones
- いいえ
- 色
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Zircon (/�ˆz�œrk�™n/; including hyacinth or yellow zircon) is a mineral belonging to the group of nesosilicates. Its chemical name is zirconium silicateand its corresponding chemical formula is ZrSiO4. A common empirical formula showing some of the range of substitution in zircon is (Zr1–y, REEy)(SiO4)1–x(OH)4x–y. Zircon forms in silicate melts with large proportions of high field strength incompatible elements. For example, hafnium is almost always present in quantities ranging from 1 to 4%. The crystal structure of zircon is tetragonal crystal system. The natural color of zircon varies between colorless, yellow-golden, red, brown, blue, and green. Colorless specimens that show gem quality are a popular substitute for diamond and are also known as "Matura diamond".
The name derives from the Persian zargun (زرگ�ˆï¿½†), meaning golden-colored.[5] This word is corrupted into "jargoon", a term applied to light-colored zircons. The English word "zircon" is derived from "Zirkon," which is the German adaptation of this word.[6] Red zircon is called "hyacinth", from the flower hyacinthus, whose name is of Ancient Greek origin.
| ORIGIN: PAKISTAN | TREATMENT: NONE |
| SHAPE: ROUND CUT |
DIMENSION (mm): 9.0 X 9.0 X 5.2 |
| WEIGHT: 4.5 CARAT |
LUSTER: TOP QUALITY |
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COLOR: WHITE |
CLARITY: VS1 |
| 配送業者 | 配送先タイ | その他の国への配送 | 同梱配送 ( タイ ) | 同梱配送（その他の地域） |
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- SKU
- 寸法(mm)
- 9 x 9 x 5 mm
- 重さ (CT)
- Certified Gemstones
- いいえ
- 色
-
Zircon (/�ˆz�œrk�™n/; including hyacinth or yellow zircon) is a mineral belonging to the group of nesosilicates. Its chemical name is zirconium silicateand its corresponding chemical formula is ZrSiO4. A common empirical formula showing some of the range of substitution in zircon is (Zr1–y, REEy)(SiO4)1–x(OH)4x–y. Zircon forms in silicate melts with large proportions of high field strength incompatible elements. For example, hafnium is almost always present in quantities ranging from 1 to 4%. The crystal structure of zircon is tetragonal crystal system. The natural color of zircon varies between colorless, yellow-golden, red, brown, blue, and green. Colorless specimens that show gem quality are a popular substitute for diamond and are also known as "Matura diamond".
The name derives from the Persian zargun (زرگ�ˆï¿½†), meaning golden-colored.[5] This word is corrupted into "jargoon", a term applied to light-colored zircons. The English word "zircon" is derived from "Zirkon," which is the German adaptation of this word.[6] Red zircon is called "hyacinth", from the flower hyacinthus, whose name is of Ancient Greek origin.
| ORIGIN: PAKISTAN | TREATMENT: NONE |
| SHAPE: ROUND CUT |
DIMENSION (mm): 9.0 X 9.0 X 5.2 |
| WEIGHT: 4.5 CARAT |
LUSTER: TOP QUALITY |
|
COLOR: WHITE |
CLARITY: VS1 |
| 配送業者 | 配送先タイ | その他の国への配送 | 同梱配送 ( タイ ) | 同梱配送（その他の地域） |
|---|---|---|---|---|
| FedEx |
|
|
|
|
| Express Shipping |
|
|
|
|
| Registered Shipping |
|
|
|
|
Natural Spectra Gems PTY LTD [NSG] a has been operating from Australia, Pakistan and Thailand for th....
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ポジティブFast postage! Super service!
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Been looking for this quite a long time so delighted to have acquired it. As shown and described.
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Paid and shipped - no feedback left after 100 days
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Paid and shipped - no feedback left after 100 days
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