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10.05 CTS Australite flange TEKTITE TBM-2428 TRUEBLUEMINERALS

SKU
TBM-2428
Dimenzije (mm)
15.000 x 13.600 x 8.800mm
Težina (cts)
10.050
Treatment
No Treatment
Shape
Freeform
Tip
Rough
Boje

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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trueblueminerals
trueblueminerals
rare large gemstones and minerals
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Provjereno
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  • peketrain
    peketrain
    Pozitivan

    Very pleased with the specimen and transaction

  • setillia
    setillia
    Neutralan

    Responsive seller, which is appreciated. Lovely gem. The only issue was with shipping. I paid for post but it was sent via Fedex. Fedex (of course) charged me illegal fees over a month after delivery! This was why I chose post and not Fedex.

  • olga22220
    olga22220
    Pozitivan

    Paid and shipped - no feedback left after 100 days

20%
Kod kupona thanksgiving
Vrijedi do
30th Nov 2024

Revizija

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Detalji dostave

dostava:
$30.00 14 days putem Standard Shipping - Tracked
Brodovi iz:
Australia

Načini plačanja

  • stripe

Pregled

Vrsta unosa : Standard
Identifikacijski broj proizvoda : 2007793
Počinje : 20th November 2024 02:43 pm PST
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