MASSIVE RHYOLITE SPECIMEN -POLISHED 336 GRAMS [MX940 ]
About This Auction |
About This Seller: mineralgemworld |
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| Minimum Bid (USD) | Feedback Rating | 99.41% Positive | |
| Current Bid (USD) | 0.00 | Member Since | 1 Sep 2007 in Australia |
| Bid Increment (USD) | 1.00 |
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| Bids Placed | 0 | ||
| Starting Bid (USD) | 55.00 | ||
| Reserve Price (USD) | none | ||
| Starts | November 7, 2009 12:05 PM | ||
| Ends | November 8, 2009 12:00 PM | Basic Shipping Information | |
| Auction Category | Mineral Specimens > Australian Minerals | Shipping Cost | 3.00 paid by buyer |
| Auction ID | 75700 | Shipping Insurance (optional) | 7.00 |
Ends in 15 hours 4 minutes |
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| * note for every bid placed in the last 5 minutes the auction end time increases by 60 seconds - refresh page to update | |||
Gallery
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* Hint: Click on the thumbnails above to see the full sized version. Images are of the actual item unless otherwise indicated.
Description
RHYOLITE FROM MT MAY
QUEENSLAND-RAINFOREST JASPER
NATURAL
POLISHED ONE SIDE
WEIGHT 336GRAMS APP
SIZE 170X 100X8 MM APP
Rhyolite can be considered as the extrusive equivalent to the plutonic granite rock, and consequently, outcroppings of it often bear a resemblance to granite. Due to their high content of silica and low iron and magnesium contents, rhyolite melts are highly polymerized and form highly viscous lavas. They can also occur as breccias or in volcanic plugs and dikes. Rhyolites that cool too quickly to grow crystals form a natural glass or vitrophyre, also called obsidian. Slower cooling forms microscopic crystals in the lava and results in textures such as flow foliations, spherulitic, nodular, and lithophysal structures. Some rhyolite is highly vesicular pumice. Many eruptions of rhyolite are highly explosive and the deposits may consist of fallout tephra or of ignimbrites.
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About This Seller
mineralgemworld's Shipping, Handling & Return Policies
ONE ITEM
Our basic shipping /handling fee is $3.00 per item sent first class airmail.
FOUR ITEMS
We offer a combine shipping/handling of 4 items from the one site for $9-this is done automatically when you go to paypal.
EIGHT ITEMS
You must have 5 feed backs and contact us before bidding and we will send you a paypal request with a handling/shipping fee of $15
EIGHT TO 30 ITEMS
You must have 10 feedbacks to purchase larger numbers and contact us before bidding.We will send this parcel by courier express with a tracking number for $45
. MONEY BACK GUARANTEE -NO QUESTIONS ASKED,PREFER PAYPAL SEND MONEY TO sedaopals@hotmail.com PLEASE NOTE-We have the following sites listed below so if you pay insurance for one site we can send all the orders to gether so only pay insurance once. There is still the handling fee per item of $3.00
.At www.opalauctions.com we have the following sites
SEDAOPAL-,BOULDER MAGIC-PETERS OPAL-QUALITY OPALS-SEDA ROUGH OPAL,-VOLCANIC OPALS.
At www.gemrockauctions.com we have the following sites
SEDAGEMS-MINERALGEMWORLD-GEMS TO WEAR
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