Australia Andamooka Matrix Opal 19.2 gr. lapidary slab rough .99¢ start

Description

Matrix Andamooka Opal 19.2 gram Sugar treated rough tapered slab of Andamooka Matrix Opal from Australia. Andamooka is a treated sandstone opal that is white in color until darkened in sugar solution to darken the matrix for contrast. Retreating and Stabilizing needed for best results or use for doublets. Outdoor and studio lighting used. Dark contrasts overall with *** limited color play, but some good flashes near center on one side***, Color play is Brighter in sunlight shown wet and measures approx 1.2" x 2" x .245"+/- Priority flatrate is default shipping, first class available upon request Andamooka is one of the oldest opal fields in Australia. Opal was first found in the early 1930's there. The structures in opal makes it diffract light that give the popular play of color. Microscopic spheres of silicon dioxide molecules arranged in regular, closely packed planes. For reference there is numerous treatment methods available on the internet. Opal is also the national gemstone of Australia
Australia Andamooka Matrix Opal 19.2 gr. lapidary slab rough .99¢ start
Australia Andamooka Matrix Opal 19.2 gr. lapidary slab rough .99¢ start
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Description
Matrix Andamooka Opal
19.2 gram
Sugar treated rough tapered slab of Andamooka Matrix Opal from Australia. Andamooka is a treated sandstone opal that is white in color until darkened in sugar solution to darken the matrix for contrast.
Retreating and Stabilizing needed for best results or use for doublets. Outdoor and studio lighting used.
Dark contrasts overall with
*** limited color play, but some good flashes near center on one side***,
Color play is Brighter in sunlight
shown wet and measures approx 1.2" x 2" x .245"+/-
Priority flatrate is default shipping, first class available upon request
Andamooka is one of the oldest opal fields in Australia. Opal was first found in the early 1930's there. The structures in opal makes it diffract light that give the popular play of color.  Microscopic spheres of silicon dioxide molecules arranged in regular, closely packed planes.  For reference there is numerous treatment methods available on the internet. Opal is also the national gemstone of Australia
Payment
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Shipping
We ship by USPS priority mail with delivery confirmation unless noted otherwise in the auction. Most items will be shipped within 1-3 days after payment clears (can be more if weather is bad due to snow). All charges are with Delivery Confirmation for both the Buyers and sellers security Delivery confirmations are used on all packages. Small flat rate boxes are used when items will fit. For small single items First class can be used when asked.
If your total is too big to fit in a small flat rate we will bump it up to the next size flat rate box accordingly / Or cheapest Priority available. First Class /  available upon request.
Some cases Flat rate boxes are still the most economical.
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Attn. International customers.... If you choose 1st class shipping on your purchases it could take as long as 6-8+ weeks for delivery but is usually faster. International shipping can have Customs delays beyond anyone's control and we apologize. Once any package leaves us we have no options.
Terms of Sale
Weight, size measurements and pictures with ruler or other item for size reference used on all listings. Please review all pictures and info given in text descriptions,
All items shown wet unless otherwise stated with multiple pictures in most cases, All items are sold as is, Returns accepted if Item is not as described. Money back satisfaction guarantee on all items
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