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Presenting World rare gems vayryenite from Pakistan
- 存貨單位
- Vay1
- 尺寸（毫米）
- 15.300 x 2.650 x 1.650mm
- 重量 (cts)
- 0.690
- Treatment
- No Treatment
- Shape
- Emerald
- 類型
- Faceted
- Clarity
- VS
- 顏色
-
Väyrynenite is a rare phosphate mineral with formula MnBe(PO4)(OH,F). It was first described in 1954 for an occurrence in Viitaniemi, Erajarvi, Finland and named for mineralogist Heikki Allan Väyrynen of Helsinki, Finland
CategoryPhosphate mineralFormula
(repeating unit)MnBe(PO4)(OH,F)IMA symbolVäy[1]Strunz classification8.BA.05Crystal systemMonoclinicCrystal classPrismatic (2/m)
(same H-M symbol)Space groupP21/aUnit cella = 5.411(5) Å,
b = 14.49(2) Å,
c = 4.73 Å;
β = 102.75°; Z = 4IdentificationColorLight pink to rose-red, salmon pink, pale gray, brownCrystal habitRare as elongated and striated prismatic crystals; fine-grained aggregatesCleavagePerfect on {010}, good on {100}, fair on {001}FractureUnevenTenacityBrittleMohs scale hardness5LusterVitreousStreakWhiteDiaphaneityTransparent to translucentSpecific gravity3.22Optical propertiesBiaxial (–)Refractive indexnα = 1.638 - 1.640 nβ = 1.658 - 1.662 nγ = 1.664 - 1.667Birefringenceδ = 0.026 - 0.027PleochroismVisible X= orangish, Y= red, Z= dark red2V angle46°–55°Dispersionr > v moderateReferences[2][3][4]
It occurs in pegmatites as an alteration of beryl and triphylite. It occurs in association with eosphorite, moraesite, hurlbutite, beryllonite, amblygonite, apatite, tourmaline, topaz, muscovite, microclineand quartz.[4]
- 存貨單位
- Vay1
- 尺寸（毫米）
- 15.300 x 2.650 x 1.650 mm
- 重量 (cts)
- 0.690
- Treatment
- No Treatment
- Shape
- Emerald
- 類型
- Faceted
- Clarity
- VS
- 顏色
-
Väyrynenite is a rare phosphate mineral with formula MnBe(PO4)(OH,F). It was first described in 1954 for an occurrence in Viitaniemi, Erajarvi, Finland and named for mineralogist Heikki Allan Väyrynen of Helsinki, Finland
CategoryPhosphate mineralFormula
(repeating unit)MnBe(PO4)(OH,F)IMA symbolVäy[1]Strunz classification8.BA.05Crystal systemMonoclinicCrystal classPrismatic (2/m)
(same H-M symbol)Space groupP21/aUnit cella = 5.411(5) Å,
b = 14.49(2) Å,
c = 4.73 Å;
β = 102.75°; Z = 4IdentificationColorLight pink to rose-red, salmon pink, pale gray, brownCrystal habitRare as elongated and striated prismatic crystals; fine-grained aggregatesCleavagePerfect on {010}, good on {100}, fair on {001}FractureUnevenTenacityBrittleMohs scale hardness5LusterVitreousStreakWhiteDiaphaneityTransparent to translucentSpecific gravity3.22Optical propertiesBiaxial (–)Refractive indexnα = 1.638 - 1.640 nβ = 1.658 - 1.662 nγ = 1.664 - 1.667Birefringenceδ = 0.026 - 0.027PleochroismVisible X= orangish, Y= red, Z= dark red2V angle46°–55°Dispersionr > v moderateReferences[2][3][4]
It occurs in pegmatites as an alteration of beryl and triphylite. It occurs in association with eosphorite, moraesite, hurlbutite, beryllonite, amblygonite, apatite, tourmaline, topaz, muscovite, microclineand quartz.[4]
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為什麼用戶出價高於自己？
出價時，這是用戶願意為產品出價的最高金額。然後，我們的系統將代表該用戶自動出價，逐步提高出價以保持其作為最高出價者的地位，直至達到指定的最高價。
當出現“自動出價”圖標時，表示我們的系統正在根據用戶的最高出價主動為用戶出價。這可能看起來好像用戶出價高於自己，但這只是系統更新出價以反映用戶最高限額的結果。
