THE PREMIER MARKETPLACE FOR REAL GEMS
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      $36.00 USD
      Estimated RRP $105.00

      268.90CTSLABRADORITE HEART PARCEL "ELECTRIC MIDNINGHT" [STS1643]

      2803
      3

      SKU
      Dimensions (mm)
      30.000 x 25.000 x 12.000mm
      Weight (cts)
      268.900
      Shape
      Heart
      Colours

       LAPRADORITE HEART CARVING FROM MADAGASCAR-. ELECTRIC MIDNINGHT! Natural stone that has been hand carved and waxed added to get a fine luster.

      Parcel of 4 stones. The weight and size is app

       

       

       

       

      Labradorite is truly a fascinatingly beautiful mineral which reminds me of black opal. Its a mineral whose charm is not fully noticed and may be overlooked if not viewed from the proper position. Generally a dull, dark looking mineral with no special virtue until the colorful shiller is observed glowing on the surface. Labradorite can produce a colorful play of light across cleavage planes and in sliced sections called labradorescence. The usually intense colors range from the typical blues and violets through greens, yellows and oranges. Some rare specimens display all these colors simultaneously.

      Note the reflection you see is from the light we used to take the picture.

       

      The color display is from lamellar intergrowths inside the crystal. These intergrowths result from compatible chemistries at high temperatures becoming incompatible at lower temperatures and thus a separating and layering of these two phases. The resulting color effect is caused by a ray of light entering a layer and being refracted back and forth by deeper layers. This refracted ray is slowed by the extra travel through the layers and mixes with other rays to produce a light ray coming out that has a different wavelength than when it went in. The wavelength could correspond to the wavelength of a particular color, such as blue. The effect depends on the thickness and orientation of the layers. If the layers are too thick or too thin no color shiller is seen. Also if the viewer does not observe from the precise angle or if light is not supplied from the proper angle then no color shiller is seen. The labradorescence is truly a one of a kind mineralogical experience and must be observed in person in order to truly appreciate its beauty.

      Labradorite is a member of the plagioclase series of minerals. The plagioclase series comprises felspars that range in chemical composition from pure NaAlSi3 O8 to pure CaAl2 Si2 O8 . Labradorite is defined at approximately the 50% to 70% CaAl2 Si2 O8 . Labradorite by definition must contain 50-70% calcium to 50-30% sodium in the sodium/calcium position of the crystal structure. All members of the plagioclase series usually display lamellar twinning called “Albite Twinning”. The twinning is caused by a error in the crystal structure during its growth.

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      Registered Shipping is discounted to $16.00 on orders with 2 or more items

      sedagems
      sedagems
      Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and gems stones he has collected on his many buying trips world wide. All stock has a money back guarantee as your continued business is our business.
      Mermaid Waters, Australia
      Verified
      19152 Feedback

      • dmcjr1875
        dmcjr1875
        Positive

        I'm expecting an experience of good reasoning.

      • ksrocks
        ksrocks
        Positive

        Thank you lovely specimen

      • laurahawkmoth
        laurahawkmoth
        Positive

        wow -- amazing texture & translucence!

      • mattosh82
        mattosh82
        Positive

        Received!!!! So awesome! Thank you so much! Will definitely be visiting your store again soon.

      5%
      Coupon code SEDADEALS
      Valid Until
      4th Mar 2025

      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 21 days via Registered Shipping
      Ships from:
      Australia

      Payment Options

      • paypal
      • stripe
      This seller adds 10.00% tax to transactions in Australia.

      Overview

      Listing Type : Standard
      Product ID : 920987
      Starts : 30th January 2025 06:37 pm PST
      * All prices are in USD