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$40.00 USD
价格
4262
10

PARCEL HAND PICKED RUBY ROUGH SPECIMEN 103CARATS GTT385

存货单位
尺寸(毫米)
x x mm
重量 (cts)
103.000
Certified Gemstones
类型
Rough
颜色

IMPORTANT NOTE: This item contains fissure filled cavities that may contain glass, cobalt, or other materials. Due to the presence of these materials, this item should be referred to as a composite stone.

NATURAL RUBY  ROUGH SPECIEMEN

SOURCE MOZAMBIQUE AFRICA

THIS ROUGH H IS DIRECT FROM MINER

IDEAL SPECIMEN OR CUTTING ROUGH OR TO DO CARVING AS SPECIMEN IS LAGRE

RUBY SIZE  31 X 22 X 16  MM

 AS PER IMAGE 2 PIECES STUCK TOGETHER

 

I HAND PICKED THIS ROUGH FROM LARGE SHIPPMENT OF RUBY  ROUGH THAT WAS SHIPPED FROM AFRICA TO THAILAND AND WAS READY TO BE CUT

SO I WA S LUCKY TO HAND PICK THE BEST CLEAN RUBY  PIECES BEFORE THEY WERE SHIPPED TO FACTORY AT SPECIAL RATE OF ONLY .35  CENTS PER CARAT

SPECIMEN IS TREATED SO EASY TO WORK WITH FOR GOOD FINISH

LEAD GLASS TREATMENT 

Filling the fractures inside the ruby with lead glass dramatically improves the transparency of the stone, making previously unsuitable rubies fit for applications in jewelry. The process is done in four steps:

  1. The rough stones are pre-polished to eradicate all surface impurities that may affect the process
  2. The rough is cleaned with hydrogen fluoride
  3. The first heating process during which no fillers are added. The heating process eradicates impurities inside the fractures. Although this can be done at temperatures up to 1400°C (2500°F) it most likely occurs at a temperature of around 900°C (1600°F) since the rutile silk is still intact
  4. The second heating process in an electrical oven with different chemical additives. Different solutions and mixes have shown to be successful, however mostly lead-containing glass-powder is used at present. The ruby is dipped into oils, then covered with powder, embedded on a tile and placed in the oven where it is heated at around 900°C (1600°F) for one hour in an oxidizing atmosphere. The orange colored powder transforms upon heating into a transparent to yellow-colored paste, which fills all fractures. After cooling the color of the paste is fully transparent, that dramatically improves the overall transparency of the ruby.

 

 

 

 

 

 

 

 

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FedEx 对包含 2 或更多商品的订单折扣为 $12.00
世界其他地区
FedEx 对包含 2 或更多商品的订单折扣为 $39.00
Registered Shipping $9.00 / :几天天 $16.00 / :几天天
:国家
Registered Shipping 对包含 2 或更多商品的订单折扣为 $9.00
世界其他地区
Registered Shipping 对包含 2 或更多商品的订单折扣为 $16.00

gem traders
gem traders
Gem Traders has cemented its position in the Australian market as a premier destination for gemstones, offering a diverse range of precious treasures. In an endeavor to enrich its offerings, Gem Traders seamlessly integrated opals into its collection, complementing its existing array of gems. Among the opals, Gem Traders showcases a splendid selection of Boulder Opals and opal doublets, each exuding its own unique charm and allure. These opulent gems seamlessly blend with Gem Traders' mainstay gemstones, creating a harmonious symphony of colors and textures. In addition to opals, Gem Traders boasts an impressive inventory of other gemstones, including Rubies, Sapphires, Amethyst, Chrysoprase, Garnets, and intricately carved gemstones. Each gemstone is meticulously curated to ensure unparalleled quality and beauty, catering to the discerning tastes of gemstone connoisseurs across Australia and the world. Gem Traders invites enthusiasts to explore its treasure trove of gemstones, where every stone tells a story of natural wonder and timeless elegance. Whether you're drawn to the captivating hues of opals or the radiant sparkle of Rubies and Sapphires, Gem Traders offers a breathtaking selection to satisfy every gemstone aficionado's desires.
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:总反馈

  • novarew
    novarew
    积极的

    Excellent as usual, thank you kindly

  • bones63
    bones63
    积极的

    Super-fast delivery! Thanks.

  • bones63
    bones63
    积极的

    A beautiful dress piece. Thank you.

  • bones63
    bones63
    积极的

    A beautiful modern ring! Cheers.

  • bones63
    bones63
    积极的

    Great essentials! Cheers.

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送货细节

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$16.00 :通过 Registered Shipping 计算天数
发货自:
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该卖家在 Australia 的交易中添加 10.00% 税。

概述

列表类型 : Standard
产品编号 : 139473
开始 : 6th November 2024 09:20 pm PST
* 所有价格均以:货币为单位