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Product/Service >> Rocks Minerals >> Amatrine

Amatrine - คลิกที่นี่เพื่อดูรูปภาพใหญ่
Amatrine






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Amatrine - คลิกที่นี่เพื่อดูรูปภาพใหญ่

Amatrine - คลิกที่นี่เพื่อดูรูปภาพใหญ่

Amatrine - คลิกที่นี่เพื่อดูรูปภาพใหญ่

Amatrine - คลิกที่นี่เพื่อดูรูปภาพใหญ่

Amatrine

Code: 000071
Price: 1,700.00 THB (Ref. 48.57 USD)
Description: Amatrine

This is my quartz collection. The specimen sizes vary from single millimeter Herkimer Diamonds to a six-inch smoky quartz sheet. This page is laid out less formally than my other pages - I've listed the specimens primarily by their varietal names.
Quartz categories

Crystalline - crystals (or aggregates) large enough to be seen with the naked eye and usually displaying the hexagonal form
Cryptocrystalline - crystals can only be seen with a microscope; this category is divided into two subclasses
Parallel, fibrous structure - chalcedony (agate, aventurine, bloodstone, carnelian, chrysophrase, onyx, sard)
Finely granular structure - chert, flint, jasper
Clastic - small crystals - separately (sand) or in conglomeration (quartzite, sandstone), itacolumite (flexible sandstone)

Quartz colors
Amethyst's color is due to an iron (ferric, Fe+3) impurity-induced color center
Citrine's color is due to an iron (ferrous, Fe+2) impurity-induced color center
Milky quartz's color is due to microscopic air, carbon dioxide, or water inclusions
Rose quartz's (crystalline) color is due to aluminum and phosphorus impurities - massive rose quartz's color is due to microscopic and, as yet, unidentified dumortierite-like fibers
Smoky quartz's color is due to aluminum impurity-induced color centers caused by natural irradiation
Blue chalcedony's color is due to Rayleigh scattering - submicroscopic inclusions that preferentially scatter blue light (the same mechanism that makes the sky appear blue)

All other quartz colors are due to mineral inclusions, like tiger-eye quartz, and Spain's famous "blue quartz" and Jacinto quartz.
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