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Agate - King George Island Antarctica

Brand : Sciencemall-USA

$220.00
SKU:
JPT-54237
Condition:
New
Availability:
Usually ships in 24 hours.
Weight:
1.00 LBS
Minimum Purchase:
1 unit
Maximum Purchase:
1 unit
Shipping:
Calculated at Checkout

Out of stock

Dynamic Agate from Baranowski Glacier

This beautiful agate came from the Baranowski Glacier, located on the west shore of Admiralty Bay, King George Island, Antarctica. It is a mixture of white, brown, black, and tan colors and was collected by a Polish Expedition.

Composition of Agates

Agates are primarily composed of chalcedony, a microcrystalline variety of quartz (SiO₂). Since quartz is a mineral, agate is mineralogically classified as a variety of quartz. While agates are made of the mineral quartz, they are usually referred to as a cryptocrystalline silica rock. A rock is typically defined as an aggregate of minerals, and agates fit this definition due to their layered composition of chalcedony, quartz, and sometimes opal or other inclusions.

Agate Details and What is Included

  • Size: 60mm L × 58mm W × 4mm D, polished face. Sizing cube and display stand are not included.
  • Ships with:
    • Certificate of Authenticity (COA)
    • Tag and tag stand
    • Information about agates and the volcanology in Antarctica
    • Legally procured. From an old scientific collection.

The Volcanic Legacy of Antarctica

Antarctica’s geology is diverse. Many parts of the continent are composed of ancient metamorphic and igneous rocks, and there are also regions with significant volcanic history.

While not as commonly reported as agates from places like Brazil or the U.S., Antarctic agates have been documented in certain volcanic regions and glacial deposits.

Volcanism is a fundamental driver of agate formation because it provides the materials, space, and conditions necessary for their creation. The interplay of cooling lava, gas bubbles, silica-rich solutions, and mineral impurities makes volcanic environments important geological settings for the production of agates.

Great Geology for Classroom or Geology Collection

This is a unique opportunity to buy a polished agate from Antarctica. Explore the volcanic history of Antarctica with this great specimen today.

Ships with Certificate of Authenticity, tag, tag stand and information about agates.