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      $64.00 USD
      价格

      4.25 Cts Top color Natural Opal Gemstone

      1142
      0

      存货单位
      OP 85
      尺寸(毫米)
      10.600 x 10.500 x 7.200mm
      重量 (cts)
      4.250
      Treatment
      No Treatment
      类型
      Faceted
      颜色

      We providing combine shipping for all of my customer

      Gemstone    :       Natural Opal

      Treatment:         Not Heated. Not Treated. Not Enhanced.

      Opal is a hydrated amorphous form of silica (SiO2·nH2O); its water content may range from 3 to 21% by weight, but is usually between 6 and 10%. Because of its amorphous character, it is classed as a mineraloid, unlike crystalline forms of silica, which are classed as minerals. It is deposited at a relatively low temperature and may occur in the fissures of almost any kind of rock, being most commonly found with limonite, sandstone, rhyolite, marl, and basalt.

      The name opal is believed to be derived from the Sanskrit word upala (उपल), which means 'jewel', and later the Greek derivative opállios (ὀπάλλιος), which means 'to see a change in color'.

      There are two broad classes of opal: precious and common. Precious opal displays play-of-color (iridescence); common opal does not.[5] Play-of-color is defined as "a pseudo chromatic optical effect resulting in flashes of colored light from certain minerals, as they are turned in white light."[6] The internal structure of precious opal causes it to diffract light, resulting in play-of-color. Depending on the conditions in which it formed, opal may be transparent, translucent, or opaque, and the background color may be white, black, or nearly any color of the visual spectrum. Black opal is considered the rarest, while white, gray, and green opals are the most common.

      运输商 运送至:国家 运送到世界其他地区
      Standard Shipping - Tracked $14.00 / :几天天 $16.00 / :几天天
      :国家
      Standard Shipping - Tracked折扣至$20.00 ,适用于包含2或更多商品的订单
      世界其他地区
      Standard Shipping - Tracked折扣至$25.00 ,适用于包含2或更多商品的订单
      FedEx $42.00 / :几天天 $42.00 / :几天天
      :国家
      FedEx折扣至$55.00 ,适用于包含2或更多商品的订单
      世界其他地区
      FedEx折扣至$55.00 ,适用于包含2或更多商品的订单

      4.25 Cts  Top color  Natural  Opal Gemstone
      Bangkok, Thailand
      拥有者 jemscollection

      • lckansas
        lckansas
        积极的

        Fascinating stone that arrived safely and quickly; highly recommend sellers.

      • thekarl
        thekarl
        积极的

        Arrived today. Is stunning! I am very happy with this.

      • thekarl
        thekarl
        积极的

        Beautiful piece showed up today. Came with a good feeling of satisfaction knowing I own it as I held it in my hand for the first time. A great piece.

      • thekarl
        thekarl
        积极的

        Beautiful stone. Great service. I recommend this company if you want something nice

      审计

      Gemstone Sheriff计划允许我们的会员对任何产品申请审核,审核由独立的Gemologist人员完成,负责评估产品描述和图片的准确性。

      送货细节

      船运:
      $16.00 25通过Standard Shipping - Tracked计数天数
      发货自:
      Thailand

      付款方式

      • paypal

      概述

      列表类型 : Standard
      产品编号 : 1920590
      开始 : 21st March 2025 01:21 am PDT
      * 所有价格均以:货币为单位