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          339912_1360986084.jpg
          339912_1360986089.jpg
          339912_1360986091.jpg
          $46.00 USD
          Price

          65 CTS ASTROPHYLITE ROUGH SLAB

          3981
          2

          SKU
          [F3908 ]
          Dimensions (mm)
          39.000 x 27.000 x 6.000mm
          Weight (cts)
          65.000
          Colours

          QUALITY ROUGH

          ASTROPHYLITE ROUGH

          This is a natural untreated slab ready for polishing.Due to the different hardness of the two materials we recommend treating the stone with opticon or resin to get a good polish.Mined in the Kola

          The needles are a interesting copper bronze colour which is hard to see in the pictures.This will be a interesting stone to polish and a challenge.!

          Note we have taken the photo with the stone wet to give you a idea how it will look polished. We have also taken a photo of both sides of the slab.

          Astrophyllite is a very rare, brown to golden-yellow hydrous potassium iron titanium silicate mineral. Belonging to the astrophyllite group, astrophyllite may be classed either as an inosilicate, phyllosilicate, or an intermediate between the two. It forms an isomorphous series with kupletskite, to which it is visually identical and often intimately associated. Astrophyllite is of interest primarily to scientists and collectors.

          Heavy, soft and fragile, astrophyllite typically forms as bladed, radiating stellate aggregates. It is this crystal habit that gives astrophyllite its name, from the Greek words astron meaning “star” and phyllon meaning “leaf”. Its great submetallic gleam and darkness contrast sharply with the light (felsic) matrix the mineral is regularly found within. Astrophyllite is usually opaque to translucent, but may be transparent in thin specimens.

          As the crystals themselves possess perfect cleavage, they are typically left in stead, the entire aggregate often cut into slabs and polished. Owing to its limited availability and high cost, astrophyllite is seldom seen in an ornamental capacity. It is sometimes used in jewellery where it is fashioned into cabochons.

          Found in cavities and fissures in unusual felsic igneous rocks, astrophyllite is associated with feldspar, mica, titanite, zircon, nepheline, and aegirine. Common impurities include magnesium, aluminium, calcium, zirconium, niobium, and tantalum. It was first discovered in 1854 at its type locality; Laven Island, Norway. Interestingly, kupletskite was not known until 1956, over a hundred years later.

          Shipping provider Shipping to Australia Shipping to rest of world
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          Rest of the world
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          Registered Shipping $9.00 / 7 days $16.00 / 21 days
          Australia
          Registered Shipping is discounted to $9.00 on orders with 2 or more items
          Rest of the world
          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
          19220 Feedback

          • rickferreira626
            rickferreira626
            Positive

            A gorgeous pair blue topaz stones. This is one happy customer.

          • opalgoat
            opalgoat
            Positive

            Well packaged, beautiful gems

          • opalgoat
            opalgoat
            Positive

            Well packaged, beautiful gems

          • opalgoat
            opalgoat
            Positive

            Well packaged, beautiful gems

          • opalgoat
            opalgoat
            Positive

            Well packaged, beautiful gems

          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 : 487879
          Starts : 13th February 2025 10:50 pm PST
          * All prices are in USD