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      $64.00 USD
      Price

      4.25 Cts Top color Natural Opal Gemstone

      1130
      0

      SKU
      OP 85
      Dimensions (mm)
      10.600 x 10.500 x 7.200mm
      Weight (cts)
      4.250
      Treatment
      No Treatment
      Type
      Faceted
      Colours

      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.

      Shipping provider Shipping to Thailand Shipping to rest of world
      Standard Shipping - Tracked $14.00 / 3 days $16.00 / 25 days
      Thailand
      Standard Shipping - Tracked is discounted to $20.00 on orders with 2 or more items
      Rest of the world
      Standard Shipping - Tracked is discounted to $25.00 on orders with 2 or more items
      FedEx $42.00 / 8 days $42.00 / 10 days
      Thailand
      FedEx is discounted to $55.00 on orders with 2 or more items
      Rest of the world
      FedEx is discounted to $55.00 on orders with 2 or more items

      4.25 Cts  Top color  Natural  Opal Gemstone
      Bangkok, Thailand
      Owned by jemscollection

      • lckansas
        lckansas
        Positive

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

      • thekarl
        thekarl
        Positive

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

      • thekarl
        thekarl
        Positive

        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
        Positive

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

      Audit

      The Gemstone Sheriff program allows our members to request an audit on any product, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.

      Shipping Details

      Shipping:
      $16.00 25 days via Standard Shipping - Tracked
      Ships from:
      Thailand

      Payment Options

      • paypal

      Overview

      Listing Type : Standard
      Product ID : 1920590
      Starts : 7th March 2025 12:21 am PST
      * All prices are in USD