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10.05 CTS Australite flange TEKTITE TBM-2428 TRUEBLUEMINERALS
- 存貨單位
- TBM-2428
- 尺寸(毫米)
- 15 x 13.6 x 8.8mm
- 重量 (cts)
- 10.05
- Treatment
- No Treatment
- Shape
- Freeform
- Type
- Rough
- 顏色
-
TEKTITE-COLLECTOR PC
WESTERN AUSTRALIA
TEKTITE FLANGE
PERFECT SHAPE
THE COME IN VARIOUS SHAPES AND SIZES SOME BEING VERY RARE
the original body (a sphere in this case) is interpreted to be solid or very close to solidification by re-entry stage. As the sphere re-enters it ablates and spalls. Spalling results in characteristic core shapes. Once ablation of material has crossed the equatorial margin of the specimen, a flange may begin to form. This leads to formation of ‘button’-type tektites. Further spalling may result in loss of the flange and creation of a lens. In larger specimens (>6g), which are less thermodynamically stable, the loss of the flange and creation of a core is inevitable. The flange may reform with further spalling resulting in conical core morphologies. If the button continues to ablate then end-members such as plates or bowls may form. Ablation, spalling and flange formation combine to produce unique tektite forms
FOR FUTHER READING
Cleverly, W. H. 1986. Australites from Hampton Hill Station, Western Australia. Journal of the Royal Society of Western Australia, Vol. 68, Part 4, p. 81-93.
McNamara, K. and Bevan, A. 1985 (2nd (revised) edition, 1991). Tektites. Western Australian Museum. pp. 28. (Currently in print!)
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| FedEx |
美國
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|
| Standard Shipping - Tracked |
美國
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- 存貨單位
- TBM-2428
- 尺寸(毫米)
- 15 x 13.6 x 8.8 mm
- 重量 (cts)
- 10.05
- Treatment
- No Treatment
- Shape
- Freeform
- Type
- Rough
- 顏色
-
TEKTITE-COLLECTOR PC
WESTERN AUSTRALIA
TEKTITE FLANGE
PERFECT SHAPE
THE COME IN VARIOUS SHAPES AND SIZES SOME BEING VERY RARE
the original body (a sphere in this case) is interpreted to be solid or very close to solidification by re-entry stage. As the sphere re-enters it ablates and spalls. Spalling results in characteristic core shapes. Once ablation of material has crossed the equatorial margin of the specimen, a flange may begin to form. This leads to formation of ‘button’-type tektites. Further spalling may result in loss of the flange and creation of a lens. In larger specimens (>6g), which are less thermodynamically stable, the loss of the flange and creation of a core is inevitable. The flange may reform with further spalling resulting in conical core morphologies. If the button continues to ablate then end-members such as plates or bowls may form. Ablation, spalling and flange formation combine to produce unique tektite forms
FOR FUTHER READING
Cleverly, W. H. 1986. Australites from Hampton Hill Station, Western Australia. Journal of the Royal Society of Western Australia, Vol. 68, Part 4, p. 81-93.
McNamara, K. and Bevan, A. 1985 (2nd (revised) edition, 1991). Tektites. Western Australian Museum. pp. 28. (Currently in print!)
| 提供者 | 目的地 | 成本 |
|---|---|---|
| DHL 默認 |
世界其他地區
:幾天天
|
第一項
每增加一件
運費上限為
|
| FedEx |
世界其他地區
:幾天天
|
第一項
每增加一件
運費上限為
|
| Standard Shipping - Tracked |
世界其他地區
:幾天天
|
第一項
每增加一件
運費上限為
|
| Standard Shipping - Tracked 默認 |
澳洲
:幾天天
|
第一項
每增加一件
運費上限為
|
| DHL 默認 |
美國
:幾天天
|
第一項
每增加一件
運費上限為
|
| Express Shipping |
澳洲
:幾天天
|
第一項
每增加一件
運費上限為
|
| FedEx |
美國
:幾天天
|
第一項
每增加一件
運費上限為
|
| Standard Shipping - Tracked |
美國
:幾天天
|
第一項
每增加一件
運費上限為
|
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積極的Beautiful cat's eye Alexandrite to add to my collection!
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積極的beautiful stone!! very happy.
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積極的Paid and shipped - no feedback left after 100 days
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積極的Lovely stone, very happy with this transaction, promptly posted. My jeweller was quite impressed with the quality/clarity and colour when he set this stone. Thank you :)
此優惠券僅適用於「立即購買」商品。