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$22.00 USD
价格
3455
3

ALPHABET AGATE FROM JAVA 4.70 CTS [MX9479]

存货单位
尺寸(毫米)
x x mm
重量 (cts)
颜色

MINERAL GEM WORLD

ALPHABET AGATE

This is  a natural untreated agate found it java Indonseia.The cutter looks for lines  in the agate rough that merge so he can cut out letters.

Weight 4.70 cts app

Size 11 x 10 x 5 mm app

The heat and fluids which feed hot springs are driven by subsurface volcanic activity. These types of systems are long lived and last from tens of thousands to upwards of millions of years. Recurrent magmatic pulses take place at depth, old conduits reopen and old hot springs regenerate at surface. Chemistry of upwelling fluids may change as they mix with ground water. The water table may change with the climate. Fluids may precipitate their dissolved iron, manganese or other materials along with silica. When an old hot spring gains new life, old cracks, veins and fissures below become conduits for new fluids. These fluids may deposit iron and silica and later seal the old cracks as the system cools down and dies again. These late crack fillings stained by the residual iron or other elements contrast with the older parent agate exhibiting a criss-cross pattern (pull-apart).

Hot spring deposits and their feeder systems can be later exposed at surface by uplift and erosion. The pebble size agates we find in modern day stream beds with red (iron) stained silica cemented (sealed) desiccation cracks are actually the fossil remains of ancient hot spring systems.

The different color agate which fills the healed cracks are just evidence of different mineral saturation in the late stage fluids pulsing the mature hot spring system.

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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.
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  • ryumaru
    ryumaru
    积极的

    Beautiful ametrine. Very fast delivery. Professional seller

  • kewpie
    kewpie
    积极的

    Really beautiful piece. Very happy

  • laurahawkmoth
    laurahawkmoth
    积极的

    Amazing, beautiful & mysterious impactite

  • laurahawkmoth
    laurahawkmoth
    积极的

    amazing inner life & iridescence -- lovely

  • kewpie
    kewpie
    积极的

    this is SUCH a nice piece - they have a lifetime customer - great customer service and communication - THANK YOU

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有效期至
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概述

列表类型 : Standard
产品编号 : 234635
开始 : 21st November 2024 10:00 pm PST
* 所有价格均以:货币为单位