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6.49 Carats Neon Pink Colour Tourmaline Gemstone
- SKU
- 寸法(mm)
- 10.660 x 10.760 x 8.210mm
- 重さ (CT)
- 6.490
- Treatment
- No Treatment
- Shape
- Asscher
- タイプ
- Faceted
- Clarity
- SI
- 色
-
CategoryCyclosilicateFormula
(repeating unit)(Ca,K,Na, )(Al,Fe,Li,Mg,Mn)3(Al,Cr,Fe,V)6
(BO3)3(Si,Al,B)6O18(OH,F)4[1][2]IMA symbolTur[3]Crystal systemTrigonalCrystal classDitrigonal pyramidal (3m)
H-M symbol: (3m)Space groupR3m (no. 160)IdentificationColorMost commonly black, but can range from colorless to brown, red, orange, yellow, green, blue, violet, pink, or hues in-between. It can also be bi-colored, or even tri-colored. Rarely, it can be found as neon green or electric blue.Crystal habitParallel and elongated; acicular prisms, sometimes radiating; massive; scattered grains (in granite)CleavageIndistinctFractureUneven, small conchoidalTenacityBrittleMohs scale hardness7.0–7.5LusterVitreous, sometimes resinousStreakWhiteDiaphaneityTranslucent to opaqueSpecific gravity3.06+0.20–0.06[1]Density2.82–3.32Polish lusterVitreous[1]Optical propertiesDouble-refractive, uniaxial negative[1]Refractive indexnω = 1.635–1.675
nε = 1.610–1.650Birefringence−0.018 to −0.040; typically about −0.020 but in dark stones it may reach −0.040[1]Pleochroism
Typically moderate to strong[1]
Red: definite; dark red, light red
Green: strong; dark green, yellow-green
Brown: definite; dark brown, light brown
Blue: strong; dark blue, light blue
Dispersion0.017[1]UltravioletfluorescencePink stones; inert to very weak red to violet in long and short wave[1]Absorption spectraStrong narrow band at 498 nm, and almost complete absorption of red down to 640 nm in blue and green stones; red and pink stones show lines at 458 and 451 nm, as well as a broad band in the green spectrum[1]
- SKU
- 寸法(mm)
- 10.660 x 10.760 x 8.210 mm
- 重さ (CT)
- 6.490
- Treatment
- No Treatment
- Shape
- Asscher
- タイプ
- Faceted
- Clarity
- SI
- 色
-
CategoryCyclosilicateFormula
(repeating unit)(Ca,K,Na, )(Al,Fe,Li,Mg,Mn)3(Al,Cr,Fe,V)6
(BO3)3(Si,Al,B)6O18(OH,F)4[1][2]IMA symbolTur[3]Crystal systemTrigonalCrystal classDitrigonal pyramidal (3m)
H-M symbol: (3m)Space groupR3m (no. 160)IdentificationColorMost commonly black, but can range from colorless to brown, red, orange, yellow, green, blue, violet, pink, or hues in-between. It can also be bi-colored, or even tri-colored. Rarely, it can be found as neon green or electric blue.Crystal habitParallel and elongated; acicular prisms, sometimes radiating; massive; scattered grains (in granite)CleavageIndistinctFractureUneven, small conchoidalTenacityBrittleMohs scale hardness7.0–7.5LusterVitreous, sometimes resinousStreakWhiteDiaphaneityTranslucent to opaqueSpecific gravity3.06+0.20–0.06[1]Density2.82–3.32Polish lusterVitreous[1]Optical propertiesDouble-refractive, uniaxial negative[1]Refractive indexnω = 1.635–1.675
nε = 1.610–1.650Birefringence−0.018 to −0.040; typically about −0.020 but in dark stones it may reach −0.040[1]Pleochroism
Typically moderate to strong[1]
Red: definite; dark red, light red
Green: strong; dark green, yellow-green
Brown: definite; dark brown, light brown
Blue: strong; dark blue, light blue
Dispersion0.017[1]UltravioletfluorescencePink stones; inert to very weak red to violet in long and short wave[1]Absorption spectraStrong narrow band at 498 nm, and almost complete absorption of red down to 640 nm in blue and green stones; red and pink stones show lines at 458 and 451 nm, as well as a broad band in the green spectrum[1]
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:数量以上のアイテムを含む注文では、:プロバイダーは $22.00 に割引されます
世界のその他の地域
:数量以上のアイテムを含む注文では、:プロバイダーは $22.00 に割引されます
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DHL | $28.00 / :日日 | $28.00 / :日日 |
:国
:数量以上のアイテムを含む注文では、:プロバイダーは $38.00 に割引されます
世界のその他の地域
:数量以上のアイテムを含む注文では、:プロバイダーは $38.00 に割引されます
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ポジティブ
Very nice
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ポジティブ
Very nice
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ポジティブ
Very nice
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ポジティブ
Very nice
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ポジティブ
Very nice
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入札する場合、これはユーザーが製品に入札する意思のある最大金額です。その後、当社のシステムがそのユーザーに代わって自動的に入札し、最高入札者としての地位を維持するために、指定された最大値まで入札額を段階的に引き上げます。
「自動入札」を示すアイコンがある場合、システムが最高入札額に基づいてユーザーに積極的に入札していることを意味します。これは、ユーザーが自分自身を上回って入札しているように見えるかもしれませんが、ユーザーの上限を反映するためにシステムが入札を更新した結果にすぎません。
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正確な写真
Comments
The Verified Seller has provided accurate and honest pictures and details for this listing. Gem Rock Auctions is committed to holding our sellers to the highest standards of integrity and transparency. As part of this policy, we only permit the sale of natural, earth mined, gemstones. Many Gemstones have received treatments to enhance their color or clarity to further emphasize their beauty and we insist treatments are disclosed. Manmade, synthetic, and imitation gemstones are not permitted on Gem Rock auctions.