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$191.00 USD
价格

2.95 Carat Fiery Red Ruby - Gorgeous

存货单位
尺寸(毫米)
8.900 x 7.100 x 4.700mm
重量 (cts)
2.950
类型
Faceted
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.

Jewelry ready beauty.

Fiery composite Ruby.

Glass clarity enhanced for

superior appearance.

Vibrant color.

Impressive Gem to hold in hand.

Owner will love this Gem.

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Description of Treatment:

Exerpt from Wikopedia: https://en.wikipedia.org/wiki/Ruby 

Another treatment, which has become more frequent in recent years, is lead glass filling. Filling the fractures inside the ruby with lead glass (or a similar material) dramatically improves the transparency of the stone, making previously unsuitable rubies fit for applications in jewelry.[19] 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 and dramatically improves the overall transparency of the ruby.[20]

If a color needs to be added, the glass powder can be "enhanced" with copper or other metal oxides as well as elements such as sodium, calcium, potassium etc.

The second heating process can be repeated three to four times, even applying different mixtures.[21] When jewelry containing rubies is heated (for repairs) it should not be coated with boracic acid or any other substance, as this can etch the surface; it does not have to be "protected" like a diamond.

The treatment can identified by noting bubbles in cavities and fractures using a 10× loupe.[22]

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       The article gives an excellent description of the treatment process.   

       All Rubies have pores and microscopic fissures, with treated Rubies, these are cleaned and filled with glass.

       Glass treatment produces cleaner appearance, fewer inclusions, better fire and color.

       The durability of these stones has been outstanding.          

       This Ruby is guaranteed against breakage for one year (not to exceed the purchase price).

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PLEASE MAKE PAYMENT WITHIN THREE DAYS OF PURCHASE UNLESS

PAYMENT ARRANGEMENTS ARE MADE WITH EVERLASTING. THANK

YOU FOR YOUR BUSINESS.


EVERLASTING GEMS (E.G.) QUALITY CONTROL

We take great care to inspect accurately represent all stones placed for sale. E.G. uses

the following to insure the accuracy of our offerings: Polariscope, Refractometer, Chelsea

Filter 10 To 60 Power Gemscope, Digital Calipers, High Megapixel Digital Photography,

Assorted additional equipment. All E.G. items are guaranteed.

 

TREATMENTS

On a very, very infrequent basis, stones of many species are treated. All stones are

examined under 30 power magnification for any trace of these treatments. Stones that

show treatment are clearly stated.

Stones of many types can be laboratory created. Our equipment is designed to help to

detect these. E.G. never sells laboratory imitation stones, only natural stones that have

beauty and are suitable for elegant jewelry applications where the fabricator wants

genuine valuable, natural materials that compliment their hard work and effort.

 

DISCLOSURES

Nothing is more disappointing than to get something that is not accurately represented.

All photos are of the actual stones and are never computer enhanced. Any details that we

become aware of that effect the quality, durability or value of the Stones are clearly stated.

 

SHIPPING

Shipping is free for all items, any exceptions are clearly indicated. Everlasting Gems

reserves the right to combine purchases into one assignment for convenience and simplicity.  

All shipments include descriptive information.

USA shipments generally take one week to arrive.   International shipments generally take ten days to six weeks to arrive.

 

GUARANTEES AND RETURNS

Should you ever be disappointed with an item purchased from Everlasting Gems, you have a 10 day period to provide notification.  Should you elect to submit stone for Independent

Certification this period can be extended for an additional 45 days provided that you notify us of intent to Certify within the initial 10 day period.  All items have an unconditional money back guarantee subject only to the terms above.

 

FEEDBACK

We love positive Feedback and will make every effort to insure that you are pleased with

your purchase.  If you like the service, and the materials you recieve, please tell everyone.

If you have concerns please notify us and allow us to make you a happy client.

 

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  • gmhntr
    gmhntr
    积极的

    This stone is even more beautiful in person. Quickly shipped & expertly packaged. 5 STAR merchant ! You can't go wrong buying from everlastinggems Or gemstar in Hawaii ! Delighted return Customer here !

  • helmrey
    helmrey
    积极的

    This stone is stunning. Is going to be a beautiful necklace.

  • olgakov
    olgakov
    积极的

    Paid and shipped - no feedback left after 100 days

审计

Gemstone Sheriff计划允许我们的会员请求对任何产品进行审核,该审核由独立的 Gemologist 人员完成,该资格人员评估商品描述和图片的准确性。

送货细节

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发货自:
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概述

列表类型 : Standard
产品编号 : 1192058
开始 : 21st November 2024 09:46 am PST
* 所有价格均以:货币为单位