THE PREMIER MARKETPLACE FOR REAL GEMS
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      $26.00 USD
      PVP estimado $90.00

      6.70 Cts-Rhodhochrosite Cabochone (2 PCS) TBG-4227 truebluegems

      483
      1

      SKU
      TBG-4227
      Dimensiones (mm)
      9.000 x 9.000 x 4.000mm
      Peso (cts)
      6.700
      Treatment
      No Treatment
      Shape
      Round
      Tipo
      Cabochon
      Colores

      TRADING AS LIGHTNINGOPALS LLC-TRUEBLUEOPALS AND GEMS

      RHODHOCROSITE

      Origin Argentina

      2 PCS
      POLISHED

      Beautiful PINK COLOUR
      Treatment-NONE

      Diaphaneity, Transparent to translucent. Specific gravity, 3.7. Optical properties, Uniaxial (-). Refractive index, nω = 1.814 - 1.816 nε = 1.596 - 1.598. Birefringence, δ = 0.218. Pleochroism, weak. Ultraviolet fluorescence, None. References. Rhodochrosite is a manganese carbonate mineral with chemical composition MnCO3.

      Crystal system‎: ‎Trigonal

      Mohs scale hardness‎: ‎3.5-4

      Crystal class‎: ‎Hexagonal scalenohedral (3m); ...

      Optical properties‎: ‎Uniaxial (-)

      Rhodochrosite is a manganese carbonate mineral with chemical composition MnCO3. In its (rare) pure form, it is typically a rose-red color, but impure specimens can be shades of pink to pale brown. It streaks white, and its Mohs hardness varies between 3.5 and 4. Its specific gravity is between 3.5 and 3.7. It crystallizes in the trigonal system, and cleaves with rhombohedral carbonate cleavage in three directions. Crystal twinning often is present. It is transparent to translucent with refractive indices of =1.814 to 1.816, =1.596 to 1.598. It is often confused with the manganese silicate, rhodonite, but is distinctly softer.

      Rhodochrosite forms a complete solid solution series with iron carbonate (siderite). Calcium, (as well as magnesium and zinc, to a limited extent) frequently substitutes for manganese in the structure, leading to lighter shades of red and pink, depending on the degree of substitution. It is for this reason that the most common color encountered is pink.

      Proveedor de envío Envío a Australia Envíos al resto del mundo
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      truebluegems
      truebluegems
      family business
      Mermaid Beach , Australia
      Verificado
      5057 de comentarios

      • bonusbloke
        bonusbloke
        Positivo

        Small but perfectly formed! Arrived very quickly thanks.

      • jtgems
        jtgems
        Positivo

        Very nice very tiny

      • sandyatayrshire2
        sandyatayrshire2
        Positivo

        Paid and shipped - no feedback left after 100 days

      • sandyatayrshire2
        sandyatayrshire2
        Positivo

        Paid and shipped - no feedback left after 100 days

      • ian2508
        ian2508
        Positivo

        Paid and shipped - no feedback left after 100 days

      40%
      Código promocional NEW YEAR
      Válido hasta
      31st Jan 2025

      Auditoría

      El programa Gemstone Sheriff permite a nuestros miembros solicitar una auditoría de cualquier producto, que es realizada por un Gemologist independiente que evalúa la precisión de la descripción del artículo y las imágenes.

      Detalles de envío

      Envío:
      $30.00 14 días a través de Standard Shipping - Tracked
      Se envía desde:
      Australia

      Opciones de pago

      • stripe

      Descripción general

      Tipo de listado : Standard
      ID del Producto : 2444587
      Empieza : 26th December 2024 05:36 pm PST
      * Todos los precios están en USD