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$79.99 USD
价格

23.64 CTS FLOATING MARCASITE GLOBULES IN QUARTZ [ST7523 ]

13851
12

存货单位
尺寸(毫米)
x x mm
重量 (cts)
Certified Gemstones
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SEDA GEMS

QUARTZ WITH MARCASITE

This is a natural untreated stone from Brazil showing stunning marcasite floating inclusions in it.

This is a rare stone and considered a collectors item

Very well polished

Weight 23.64 cts app

Size 22x16x7 mm app


Marcasite Crystals common, metallic pale brass-yellow colored, tabular or pyramidal, often with curved faces; it may also be stalactic, globular, or reniform with a radiating internal structure. Frequently found replacing organic matter, forming fossils, in sedimentary beds, particularly coal beds.
May be intergrown or replaced by pyrite.

Quartz is the most common mineral on Earth. It is found in nearly every geological environment and is a component of almost every rock type.  It makes up about 12% of the earth's crust, occurring in a wide variety of igneous, metamorphic and sedimentary rocks. It is also the most varied in terms of variety and color.  Quartz is a 7 on the Mohs scale of hardness..

MICA-SCHIST, in petrology, a rock composed essentially of mica and quartz, and having a thin parallel-banded or foliated structure, with lamellae rich in mica alternating with others which are principally quartz. They split readily along the micaceous films, and have smooth or slightly uneven surfaces covered with lustrous plates of muscovite or biotite; the quartzose lamellae are often visible only when the specimens are looked at edgewise. Mica-schists are very common in regions of Archean rocks accompanying gneisses, crystalline limestones and other schists. Some have a flat banding yielding smooth slabs; others are crumpled or contorted with undulating foliation. Occasionally the quartz forms elliptical lenticles or "eyes." In some cases mica composes nearly the whole of the rock, in others quartz preponderates so that they approach quartz-schists and quartzites.

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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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  • rickferreira626
    积极的

    A gorgeous pair blue topaz stones. This is one happy customer.

  • opalgoat
    opalgoat
    积极的

    Well packaged, beautiful gems

  • opalgoat
    opalgoat
    积极的

    Well packaged, beautiful gems

  • opalgoat
    opalgoat
    积极的

    Well packaged, beautiful gems

  • opalgoat
    opalgoat
    积极的

    Well packaged, beautiful gems

5%
优惠券代码 SEDADEALS
有效期至
4th Mar 2025

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Gemstone Sheriff计划允许我们的会员对任何产品申请审核,审核由独立的Gemologist人员完成,负责评估产品描述和图片的准确性。

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$16.00 21通过Registered Shipping计数天数
发货自:
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该卖家在Australia交易中添加了10.00%税。

概述

列表类型 : Standard
产品编号 : 342348
开始 : 13th February 2025 08:00 pm PST
* 所有价格均以:货币为单位