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      5c983c143359d.jpg
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      $1,761.00 USD
      PVP estimado $5,200.00

      88.05 CTS Natural Rhodochrosite Argentina Gem grade TBM-1722

      3362
      0

      SKU
      Dimensiones (mm)
      63.000 x 38.000 x 4.000mm
      Peso (cts)
      88.050
      Treatment
      No Treatment
      Colores

      RHODHOCROSITE

      Origin Argentina

      free form cabs
      highly polished
      Natural Rhodochrosite

      Beautiful watermelon - Color
      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
      Standard Shipping - Tracked $20.00 / 7 días días $30.00 / 14 días días
      Australia
      Standard Shipping - Tracked tiene descuento a $25.00 en pedidos con 2 o más artículos
      Resto del mundo
      Standard Shipping - Tracked tiene descuento a $30.00 en pedidos con 2 o más artículos
      FedEx $40.00 / 3 días días $40.00 / 7 días días
      Australia
      FedEx tiene descuento a $40.00 en pedidos con 2 o más artículos
      Resto del mundo
      FedEx tiene descuento a $40.00 en pedidos con 2 o más artículos
      DHL $30.00 / 2 días días $30.00 / 21 días días
      Resto del mundo
      DHL tiene descuento a $30.00 en pedidos con 2 o más artículos

      trueblueminerals
      trueblueminerals
      rare large gemstones and minerals
      Mermaid Beach , Australia
      Verificado
      815 de comentarios

      • virginiemillefiori
        virginiemillefiori
        Negativo

        unfortunately the colors in person under artificial or natural light look nothing like the ones posted on the listing. The stone appears very dark blue and it is hard to guess it is a parti sapphire.

      • peketrain
        peketrain
        Positivo

        Very pleased with the specimen and transaction

      • scsamler
        scsamler
        Positivo

        This stone made me fall in love with Padparadsha sapphire. Truly wonderful!

      20%
      Código promocional love
      Válido hasta
      28th Feb 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 : 904839
      Empieza : 12th February 2025 06:25 pm PST
      * Todos los precios están en USD