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$76.00
現在の入札額
1
入札
閉まっている
27/07/2020 06:34 am
1
3144
17

Top Color 3.84 ct Natural Color Change Sphene SKU.3

SKU
寸法(mm)
15.020 x 8.650 x 4.320mm
重さ (CT)
3.840
Treatment
No Treatment
タイプ
Faceted

General Info:

A brilliantly transparent gem, sphene has fire greater than that of diamond! This gem is named from the Greek word for “wedge,” as its crystals are typically wedge shaped, but may be referred to by its mineral name, titanite. Another characteristic sphene possesses is birefringence, or double refraction, meaning that light splits into two rays as it passes through the gem. As a result, the back facets appear as double images, giving the gem a soft, hazy appearance, similar to the doubling seen in zircon.

Classification

  • Common Name: Sphene
  • Species Sphene
  • Variety
  • Colors Yellow, Green, Brown, Orange, Red
  • Alternate Names: Titanite, Chrome Sphene
  • Gemstone Groups
  • Key Separations: OTL RI reading, very strong eye visible doubling, possibly spectra
  • Comments Chrome sphene is intense green in color.

Sphene Chemistry and Crystallography:

Chemical Name: Calcium titanium silicateChemical Formula: CaTiSiO5SynthesisCrystal System: MonoclinicClassification SilicateNature NaturalCrystallinity Crystalline

Sphene Physical properties:

  • Hardness 5-5.5
  • Streak White
  • Specific Gravity: 3.5-3.54 Typical:3.52
  • Toughness Varies
  • Inclusions Sphene occasionally contain tiny crystals that aline in straight rows or “feathers”, natural inclusions, actinolite needles and twinning is common. Stones have strong dispersion and eye-visible doubling.
  • Luster SubAdamantine
  • Stability
  • Fracture Conchoidal, Splintery
  • Cleavage Good, in one direction

Item Specifics:

  • ORIGIN TANZANIA
  • TREATMENT NONE 100% NATURAL
  • COLOR GREEN MULTICOLOR SPARKLE

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gemsmine
gemsmine
Gems Mine: Your One-Stop Shop for High-Quality Gemstones. ...................................... As a gemstone enthusiast, you know how challenging it can be to find high-quality stones at reasonable prices. That's where Gems Mine comes in - we're a well-established gemstone wholesaler operating in Pakistan and Thailand for the past 5 years. Our mission is to provide our customers with the best possible selection of high-quality semi-precious and precious gemstones sourced from around the world. Our Specialty: Sourcing the Best Quality Gemstones At Gems Mine, we take great pride in our ability to source only the highest quality gemstones from around the world. Our focus is on regions such as Africa, Pakistan, Tajikstan, Afghanistan, and Kashmir - areas with a rich history of producing some of the most beautiful gemstones in the world. We believe that our strong connections to these important mining and market areas allow us to offer our customers stones of the highest quality at attractive prices. We work closely with our suppliers to ensure that our customers receive only the best stones available. Our Selection: A Wide Range of Gemstones At Gems Mine, we understand that every customer is unique, with their own tastes and preferences. That's why we offer a wide range of gemstones to choose from, including: Emeralds Sapphires Rubies Topaz Amethysts Citrines Peridots And much more! We believe that our selection of gemstones is one of the best in the industry, and we're constantly updating our inventory to ensure that we have the latest and greatest stones available. Our Service: Exceptional Customer Care At Gems Mine, we believe that exceptional customer care is key to our success. We strive to provide our customers with the best possible shopping experience, from the moment they land on our website to the moment they receive their order. Our team is made up of gemstone experts who are always on hand to answer any questions you may have about our products. We're here to help you find the perfect stone for your needs, whether you're a professional jeweler or a hobbyist. Our Promise: Quality and Value At Gems Mine, we understand that quality and value are of the utmost importance to our customers. That's why we promise to provide you with only the best quality gemstones at the most competitive prices. We believe that our dedication to quality and value sets us apart from our competitors. We stand behind every stone we sell, and we're confident that you'll love your purchase. Why Choose Gems Mine? Wide selection of high-quality gemstones Competitive pricing Exceptional customer care A focus on quality and value At Gems Mine, we believe that we offer the best possible combination of quality, value, and service in the industry. We're committed to providing our customers with the best possible shopping experience, and we're always looking for ways to improve. If you're in the market for high-quality gemstones, look no further than Gems Mine. We're your one-stop shop for all your gemstone needs. Conclusion At Gems Mine, we're passionate about gemstones, and we're committed to providing our customers with only the best quality stones at the most competitive prices. Our selection of gemstones is one of the best in the industry, and our team of experts is always on hand to help you find the perfect stone for your needs. We believe that our dedication to quality, value, and customer care sets us apart from our competitors, and we're proud to be one of the most trusted gemstone wholesalers in Pakistan and Thailand.
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  • cvit65a
    cvit65a
    ポジティブ

    Stone same as photos advertised--beautiful! Arrived early--Thank you. Very happy.

  • benfield
    benfield
    ポジティブ

    The item arrived on time, the piece is great I am very happy

  • helmrey
    helmrey
    ポジティブ

    Beautiful stone

入札履歴 (1)
cvit65a
以前にこの販売者から購入した
3年前
$75.00

なぜユーザーは自分自身を上回る入札をするのでしょうか?

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発送詳細

配送:
$35.00 FedEx 経由の日数をカウント
発送元:
Thailand

支払いオプション

  • paypal
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概要

リストタイプ : Standard
製品番号 : 702485
推定希望小売価格 : $500.00
入札の開始 : $75
始まります : 24th July 2020 04:35 am AEST
終わり : 27th July 2020 11:34 pm AEST
* すべての価格は:通貨で表示されます