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158.60 CTS ANDAMOOKA ROUGH SLAB -IDEAL FOR EARRINGS [BY8994]

存货单位
尺寸(毫米)
45.000 x 45.000 x 7.000mm
重量 (cts)
158.600
类型
Rough
颜色

ANDAMOOKA MATRIX ROUGH SLAB
[SAME TREATMENT APPLIES TO FAIRY OPAL]

This is a natural  andamooka matrix rough slab.We have  treated only once to show the colour bars. This piece is ideal for cutting earrings as the colour bar is in stripes and you can cut a few sets out and re treat for stunning earrings.  There is a lot of wastage in the bulk rough we buy so we only pre shape for you.
You can reshaped it or cut into smaller stones but you will have to retreat it.
Mined in Andamooka South Australia
TREATMENT FOR ANDAMOOKA MATRIX WITH SUGAR ONLY.
MATERIALS
250 grams glucose,white castor sugar,pot or pressure cooker,plastic tweezers.
STEPS
-Preshape the material

- Thoroughly dry the material in oven sun or hairdryer. You can also soak in acetone for 10 minutes to dry the stones out.
- Put water in pot on low temperature and add glucose and castor sugar. DO NOT BOIL.
-Place warmed stones into warm solution and cover the stone with liquid.
-leave on low temperature for 24 hours but DO NOT BOIL.
-Remove with tweezers and let cool.Use a paper town to wipe away access.
The next steep is to carbonize the sugar in the stone. Place the stones on a metal or Pyrex dish and place in a kiln at 500 F degrees for one hour.This will burn or carbonize the sugar in the stone.
_When the stones have cooled clean on a grinding wheel.
Remember to take all precautions with gloves and mask and clothing with good ventilation.
This is a natural product so results may vary a bit due to how porous the sandstone is. Some material will have to be treated a few times to get good results. You can also experiment with various temperatures as i like to cook with lower temperatures.
Remember to have fun!
WE HAVE TAKEN THE PHOTO WITH THE ROUGH WET.
In the learning section of opal actions there is details on how to treat with acid and sugar but this sugar only gets good results on porous materiel
This material is very solid
-

POLISHING
 The surface is usually porous porous so its hard to get a good finish but this should give good results and you may be able to polish as is..
You can polish as a natural stone or coat it with resin to get a better finish.
We suggest a polymer resin as its stable.inert and nontoxic and dosent yellow..Check out our listings of fairy opal polished in sedaopals.Some of there were polished in china under vacume with a amazing finish.
We have also used mono-compontent thermo set resin,cynoacrylates and 2 parts resin but these can turn yellow over time. ive even heard of nail polished used and hardened under uv lights.



The weight and size is app

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FedEx $12.00 / :几天天 $39.00 / :几天天
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FedEx 对包含 2 或更多商品的订单折扣为 $39.00
Registered Shipping $9.00 / :几天天 $16.00 / :几天天
:国家
Registered Shipping 对包含 2 或更多商品的订单折扣为 $9.00
世界其他地区
Registered Shipping 对包含 2 或更多商品的订单折扣为 $16.00

sedaopals
sedaopals
Discover the magic of opals at SedaOpals, where every stone tells a unique story. Paul Sedawie, the heart and soul of SedaOpals, began his journey with a humble piece of boulder rough at 14, sparking a lifelong passion for these mesmerizing gemstones. With over 40 years in the opal industry, Paul’s dedication has taken him from the rugged landscapes of Lightning Ridge to prestigious gem shows around the world. Paul, a former president of the Opal Association and an author of several opal books, shares his vast knowledge and passion with enthusiasts globally. He’s even made the largest donation of opalized fossils and curiosities to the Australian Opal Centre at Lightning Ridge. At SedaOpals, Paul and his sons offer a meticulously curated collection of opals, each handpicked for its exceptional beauty and character. Whether you’re a seasoned collector or new to the world of opals, you’ll find a stunning array of black opals, boulder opals, and crystal opals to explore. Join us in celebrating the timeless beauty and craftsmanship of opals. Welcome to SedaOpals, where every opal is a piece of art.
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优惠券代码 SEDADEALS
有效期至
23rd Nov 2024

审计

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送货细节

船运:
$16.00 :通过 Registered Shipping 计算天数
发货自:
Australia

付款方式

  • paypal
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  • gempay
该卖家在 Australia 的交易中添加 10.00% 税。

概述

列表类型 : Standard
产品编号 : 905426
开始 : 9th November 2024 08:20 pm PST
* 所有价格均以:货币为单位