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7.57 ct PGTL Certified Amazing Oval (13 x 10 mm) Greenish Yellow Sphene

725
2

SKU
161173
Afmetingen (mm)
13.060 x 10.110 x 7.150mm
Gewicht (cts)
7.570
Certified Gemstones
Ja
Treatment
No Treatment
Clarity
VVS
Type
Faceted
Shape
Oval
Kleuren

☆ 7.57 ct PGTL Certified AAA+ Grade Amazing Oval Cut (13 x 10 mm) Un-Heated Greenish Yellow Sphene Stone


☆ FREE PGTL Certificate VVS-VS Quality Un-Heated Orgin from Madagascar
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        ★ Gem Type: Sphene
        ★ Weight: 7.57 Carat
        ★ Measurements (Length x Width x Height): 13.06 x 10.11 x 7.15 mm
        ★ Shape: Oval
        ★ Color: Greenish Yellow
        ★ Clarity: VVS-VS
        ★ Treatment: Un-Heated
        ★ Luster: Excellent
        ★ Grade: AAA+
        ★ Transparency: Transparent
        ★ Origin (Mined from): Madagascar
        ★ Hardness: 5.0
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✓ This is 100% Natural Genuine and Mined from Earth Stone. Not man-made materials.
✓ This stone can be used for custom made Ring, Pendant, Necklace and Other Jewelry or Jewelries.
✓ It is good as Collectible, Investment and for Gift purpose.
✓ 30 Day No questions asked Return Policy; Size, Weight & Color are approximate and may slightly vary.
SKU: 161173
Brand: DeluxeGems

About Sphene
----------------------
Mohs Hardness - 5 Found in - Russia & Pakistan Titanite, or sphene (from the Greek sphenos, meaning wedge), is a calcium titanium nesosilicate mineral, CaTiSiO5. Trace impurities of iron and aluminium are typically present. Also commonly present are rare earth metals including cerium and yttrium; calcium may be partly replaced by thorium. The International Mineralogical Association Commission on New Minerals and Mineral Names (CNMMN) adopted the name titanite and 'discredited' the name sphene as of 1982, although commonly papers and books initially identify the mineral using both names. Sphene was the most commonly used name until the IMA decision, although both were well known. Some authorities think it is less confusing as the word is used to describe any chemical or crystal with oxidized titanium such as the rare earth titanate pyrochlores series and many of the minerals with the perovskite structure. The name sphene continues to be publishable in peer-reviewed scientific literature, e.g. a paper by Hayden et al. was published in early 2008 in the journal Contributions to Mineralogy and Petrology. Sphene persists as the informal name for titanite gemstones.

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deluxegems
deluxegems
Collierville , United States of America
Geverifieerd
102 feedback

  • lpf02828
    lpf02828
    Positief

    Stone was as described and arrived in good order. When put in sunlight, it has the fire depicted in the pictures.

  • dfunk24
    dfunk24
    Positief

    Gorgeous tanzanite. Top grade gem, top grade seller. Thank you!

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Overzicht

Vermeldingstype : Standard
Product-ID : 2033489
Begint : 13th February 2025 12:59 am PST
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