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$399.00
Current Bid
55
Bids
Closed
16/06/2023 04:14 pm

14CT~BOLIVIAN AMETRINE~CUSTOM CUT

55
603
11

SKU
Dimensions (mm)
17.500 x 15.200 x 11.500mm
Weight (cts)
14.000
Clarity
VVS
Type
Faceted
Colours

Natural Ametrine

  • Grading: VVS
  • Design:  
  • Color: Ultra-Dark Purple, Yellow, Multicolored
  • Origin: Bolivia 
  • Treatment: None
  • Hardness: 7
  • Refractive Index: 1.54-1.55
  • Cut: Custom cut by Doug (2X Award-winning gemstone faceter/USFG Certified Grand Master Faceter)

Ametrine is a variety of bi-color quartz that has zones of amethyst (purple) and citrine (golden yellow) in contact with one another in a single crystal. This material is known by other less-frequently used names including: "amethyst-citrine," "trystine," "bicolor amethyst," "bi-color quartz," and "bolivianite." The bolivianite name is a response to the material being designated as the national gemstone of Bolivia. It is a mixture of amethyst and citrine with zones of purple and yellow or orange. Natural Ametrine is a rare gemstone with a finite supply that is produced in commercial quantities at only one mine in the world. The color of the zones visible within ametrine is due to differing oxidation states of iron within the crystal. The different oxidation states occur due to there being a temperature gradient across the crystal during its formation.

*CARE (Ametrine)*

Ultrasonic: Usually safe
Steamer: Risky
Heat: Fair; color change may occur with heat
Chemicals that harm: Hydrofluoric acid, ammonium fluoride can damage.
Best; Warm, soapy water and then gently clean with a soft brush. Dry with a soft cloth or air dry.

*CLARITY CHART*

IF – Internally flawless; free of inclusions
VVS – Very, very slight inclusions; microscopic inclusions barely
      seen under a loupe with 10x magnification
VS – Very Slight inclusions; visible inclusions that can be seen under magnification and sometimes also with the unaided eye.
SI – Small inclusions; inclusions that are obvious under magnification and to the unaided eye.
I – Heavy or large inclusions obvious to the naked eye

All gemstones listed here have been cut by myself. I work exclusively with a precision machine when faceting gemstones. This allows extra brilliance and appeals only seen in precision-cut gems. Gemstones are cut at their correct refractive index using digital precision, this facilitates making the correct facet angles allowing the maximum amount of light to enter and reflect back up through the table. This allows optimum brilliance according to each gemstone's individual refractive index. Special care in polishing ensures that the faceted gem is showcased in all its brilliance. The introduction of precision faceting machines has revolutionized the art of gem cutting allowing the gem cutter to unveil the inner beauty of every single gemstone as it has never been done before. The cut of a gem is one of the main values of a gemstone and each gemstone requires special attention in order to unveil its potential beauty. If you're looking for that extra special stone, I hope you find it here.
Sincerely,
Doug

"Light reflects off of Jewels,
But, "It" comes from above."

Shipping provider Shipping to United States of America Shipping to rest of world
Standard Shipping - Tracked $7.00 / 7 days $19.00 / 21 days

dougpamgems
dougpamgems
Welcome to DougPamGems. As a professional cutter specializing in opals (Topshelfopals), I have now ventured into the world of "other" gemstones. Precision faceting is my new-found love. As with opals, my goal is to reveal as much whimsical wonder and beauty as a piece of rough can produce. It is my goal to allow these heavenly treasures to lead and guide me, to shape and polish these colorful rustic stones into pure eye candy, to allow them to come into fruition as objects of beauty to pleasure and inspire others like myself. As an award-winning faceter and member of the USFG, You can rest assured that your gemstone has been cut and polished with love, excitement, anticipation and professional skill. Sincerely, Doug
Crestview, United States of America
Verified
98 Feedback

  • gakarax
    gakarax
    Positive

    Very beautiful gem!

  • kelvin30
    kelvin30
    Positive

    Thanks again Doug!!

  • iona
    iona
    Positive

    A Man who gives us wonderful stones! We thank you!

  • gakarax
    gakarax
    Positive

    Very beautiful gem!

  • rgt4
    rgt4
    Positive

    Paid and shipped - no feedback left after 100 days

Bids History (55)
gakarax
Purchased from this seller previously
1 year ago
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$398.00
1 year ago
$397.00
gakarax
Purchased from this seller previously
1 year ago
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$386.00
1 year ago
$385.00
gakarax
Purchased from this seller previously
1 year ago
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$364.00
1 year ago
$364.00
gakarax
Purchased from this seller previously
1 year ago
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$343.00
1 year ago
$343.00
gakarax
Purchased from this seller previously
1 year ago
Automatic Bid
$322.00
1 year ago
$322.00
gakarax
Purchased from this seller previously
1 year ago
Automatic Bid
$301.00
1 year ago
$301.00
gakarax
Purchased from this seller previously
1 year ago
$280.00
1 year ago
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$279.00
1 year ago
Automatic Bid
$261.00
kelvin30
Purchased from this seller previously
1 year ago
$260.00
1 year ago
Automatic Bid
$251.00
kelvin30
Purchased from this seller previously
1 year ago
$250.00
1 year ago
Automatic Bid
$246.00
kelvin30
Purchased from this seller previously
1 year ago
$245.00
1 year ago
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$241.00
kelvin30
Purchased from this seller previously
1 year ago
$240.00
1 year ago
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$201.00
kelvin30
Purchased from this seller previously
1 year ago
$200.00
1 year ago
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$199.00
kelvin30
Purchased from this seller previously
1 year ago
$198.00
1 year ago
Automatic Bid
$196.00
kelvin30
Purchased from this seller previously
1 year ago
$195.00
1 year ago
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$192.00
1 year ago
$191.00
1 year ago
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$180.00
1 year ago
$179.00
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$158.00
1 year ago
$157.00
1 year ago
$136.00
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$135.00
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$124.00
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$123.00
1 year ago
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$114.00
1 year ago
$113.00
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$102.00
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$90.00
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$89.00
1 year ago
$89.00
1 year ago
$68.00
1 year ago
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$67.00
1 year ago
$47.00
1 year ago
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$46.00
1 year ago
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$25.00
1 year ago
$24.00
1 year ago
$13.00
1 year ago
$12.00
1 year ago
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$11.00
1 year ago
$1.00

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Shipping Details

Shipping:
$19.00 21 days via Standard Shipping - Tracked
Ships from:
United States of America

Payment Options

  • paypal

Overview

Listing Type : Standard
Product ID : 2178984
Starting Bid : $1
Starts : 2nd June 2023 04:07 pm PDT
Ends : 16th June 2023 04:14 pm PDT
* All prices are in USD