$25.00 USD
Price
6119
6

RHYOLITE SPECIMEN -POLISHED 66 GRAMS [MX956A ]

SKU
Dimensions (mm)
x x mm
Weight (cts)
Colours

 

RHYOLITE FROM MT MAY

QUEENSLAND- RAINFOREST JASPER

NATURAL

POLISHED ONE SIDE

WEIGHT 66 GRAMS APP

SIZE 80 X 55 X7 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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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
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  • royrock
    royrock
    Positive

    Beautiful agate piece , and as always fast efficient service from Sedagems

15%
Coupon code BLACKFRIDAY24
Valid Until
3rd Dec 2024

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 : 75718
Starts : 12th November 2024 12:00 pm PST
* All prices are in USD