THE PREMIER MARKETPLACE FOR REAL GEMS
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      $1,580.00 USD
      預計建議零售價:rrp

      7.90 CTS super rare Australite flange TEKTITE RG-5994 Raregems

      2093
      0

      存貨單位
      RG-5994
      尺寸(毫米)
      14.400 x 13.300 x 7.600mm
      重量 (cts)
      7.900
      Treatment
      No Treatment
      類型
      Specimen
      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 $39.00 / :幾天天 $40.00 / :幾天天
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      raregems
      raregems
      raregems, all rough
      :城市,國家
      已驗證
      :總反饋

      • mschristine
        mschristine
        積極的

        I am a super happy customer with these beautiful rare turquoise gems. Accurate description, shipping was fast, just a little delivery issues here in my local city. otherwise very happy customer.

      • rich7419
        rich7419
        積極的

        Just received my Ruby it’s a cute little thing. I believe my sister-in-law will like it took a minute to get here to the states, but I am happy with my purchase would buy from you again

      • philsgems
        philsgems
        積極的

        Great piece of emerald. I have already faceted a 2.5 carat gem from it. Thankyou

      審計

      Gemstone Sheriff計畫允許我們的會員要求對任何產品進行審核,該審核由獨立的Gemologist人員完成,該資格人員評估商品描述和圖片的準確性。

      送貨細節

      船運:
      $30.00 14透過Standard Shipping - Tracked計算天數
      發貨自:
      Australia

      付款方式

      • stripe
      該賣家在Australia交易中加入了0.00%稅。

      概述

      列表類型 : Standard
      產品編號 : 2292395
      開始 : 28th January 2025 09:20 pm PST
      * 所有價格均以:貨幣為單位