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$299.95 USD
價格
8319
2

68mm Marston Marble Fossil cabochon ammonite Specimen 155ct

存貨單位
尺寸(毫米)
68.000 x 53.000 x 6.999mm
重量 (cts)
155.000
Treatment
No Treatment
類型
Specimen, Cabochon
顏色

ShangrilaGems
‘The Best Gems on the Web!’
Gem-A Corporate Member

58mm 138ct MARSTON MARBLE cabochon 58 by 35 by 6mm
This is a supreme quality stone - in fact the best you will ever find.
Awesome AAA quality and of course ethically and lovingly mined and manufactured here in the UK.

This stone is an agate stone and has undergone the process of 'agatisation' over the years

“Marston marble” is not actually a marble at all, but a conglomeration of tiny, rare ammonites (promicroceras martonensis and ziphoceras ammonites) from the Jurassic Period, approximately 200 million years old.


This fascinating material was previously used to make grave markers in the local churchyard, but the location of the find was lost for many years, making it a holy grail to fossil hunters and collectors.

Discovered some ten years ago whilst prospecting the rivers around this famous locality this piece of highly fossiliferous stone was embedded in the banking, taken back and prepared.The exact locality within Marston Magna still remains a mystery to this day and try as they might, many collectors have tried and failed to locate probably one of the most famous ammonite associations in history. This piece of marble indicates a major catastrophe which killed and covered over many millions of these ammonites in a single event. The marble which was discovered over two hundred years ago and can be seen in the Natural History Museum in London. Approximately 200 million years old.

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shangrilagems
shangrilagems
PLEASE NOTE WE ARE AWAY FROM OUR BUSINESS FROM 5 DECEMBER 2023 UNTIL 2024. We will start shipping again at the end of January 2024. WARNING: IF A DIAMOND IT LOOKS TOO GOOD TO BE TRUE IT IS BECAUSE IT IS! If it is too cheap it can’t be real. *OUR DIAMONDS are genuine natural diamonds and WHEN THEY HAVE BEEN TREATED WE WILL INFORM YOU. *MANY SELLERS ARE SELLING COATED diamonds - these have been coated with chemicals to improve the quality of poor rough and make them look shiny; we can easily spot them. *SOME ARE GLASS FILLED DIAMONDS -with very little diamond in them. They will all pass tests with amateur diamond testing equipment because they contain some diamond. Please be warned. They are charging far less that the real thing would cost to purchase on the wholesale market. ShangrilaGems mission is to delight our customers with the quality of our service and the beauty of our treasures. ShangrilaGems is made up of us two directors: husband and wife Sarajane and Rakesh, both are highly educated with MSc's. As an Anglo-Indian company, we trade both from London and India; specifically the two cities of Dharamshala in the Himalayas and Jaipur in Rajasthan. ShangrilaGems are corporate members of the British Gemmological Association and look to uphold their high standards of gem research and presentation. We trained in gemmology in both the UK and India.ShangrilaGems are Europes' best supplier of high quality Gemstones, cabochon and gemstone beads. We are famous for the quality, originality and quirkiness of our gemstones. Our customers include gem re-sellers in the London gem district (Hatton Garden) High end designers and both British and International gem and bead wholesalers. WARNING: IF IT LOOKS TOO GOOD TO BE TRUE IT IS BECAUSE IT IS! *OUR DIAMONDS ARE GENUINE NATURAL DIAMONDS AND WHEN THEY HAVE BEEN TREATED WE WILL INFORM YOU. *MANY SELLERS ARE SELLING COATED DIAMONDS - THESE HAVE BEEN COATED WITH CHEMICALS TO IMPROVE THE QUALITY OF POOR ROUGH AND MAKE THEM LOOK SHINY; WE CAN EASILY SPOT THEM. *SOME ARE GLASS FILLED DIAMONDS -WITH VERY LITTLE DIAMOND IN THEM. THEY WILL ALL PASS TESTS WITH AMATEUR DIAMOND TESTING EQUIPMENT BECAUSE THEY CONTAIN SOME DIAMOND. PLEASE BE WARNED. THEY ARE CHARGING FAR LESS THAT THE REAL THING WOULD COST TO PURCHASE ON THE WHOLESALE MARKET. ShangrilaGems Responsible Sourcing All our gems are Responsibly sourced. We know the country they come from and the specific mine. Our diamonds are all sourced from Botswana from the Jwaneng mine. The largest diamond mine in the world. Botswana upholds extremely high mining standards; No diamonds are conflict diamonds or blood diamonds. We cut these diamond in our own family run factory in Surat, India and there is no child labor. The staff are paid well and the conditions are good and the staff are well trained and looked after and are content and happy. We are cautious to use the word ‘ethical’ for gems or diamonds as in our experience ‘ethical’ means different things to different people. ETHICAL IS A SEVERELY ABUSED TERM.
:城市,國家
已驗證
:總反饋

  • bejustice
    bejustice
    積極的

    Nice beads for a silver sinahi chest piece I am working on.

  • bejustice
    bejustice
    積極的

    Nice Labradorite beads. Good size and color.

  • no1927
    no1927
    積極的

    Paid and shipped - no feedback left after 100 days

審計

Gemstone Sheriff計劃允許我們的會員請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:
$19.95 :通過 Registered Shipping 計算天數
發貨自:
United Kingdom

付款方式

  • paypal

概述

列表類型 : Standard
產品編號 : 416807
開始 : 11th November 2024 01:43 pm PST
* 所有價格均以:貨幣為單位