Morrisonite Jasper, short for Morrison Ranch Jasper, is considered to be one of the finest jaspers in the world“King of Jaspers” . It is found in southeastern Oregon in a very remote area along the Owyhee River.
photo: Captain Tenneal
https://www.facebook.com/AmazingGeologist/

@ecgeology

Rare specimen featuring crystalline Native Gold in host rock matrix! From the Eagle's Nest Mine, Placer County, California.
credit: Kevin Ward and The Mineral Gallery, Inc.
Amazing Geologist

Meteorite Esquel

Esquel is a pallasite meteorite found near Esquel, a patagonian town in the northwest part of the province of Chubut (Argentina). Pallasites are a type of stony–iron meteorite that when cut and polished show beautiful yellowish olivine (peridot) crystals.

Joshua Ritter has just cut this incredible botswana agate today!!
He hopes you enjoy it as much as he does.
credit: Joshua LeCram Ritter

Agate Amethyst Geode (Blue Lace Agate.) From Brazil
(facebook.com/AmazingGeologist)

مقادیر میانگین عناصر شیمیایی در لیتوسفر و سنگ های تشکیل دهنده (PPM ، منبع کتاب ژئوشیمی تالیف بئوس- گریگوریان ترجمه سیمین پرند)
@ECGEOLOGY
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Excellent specimen of Lazulite and Siderite from the famous phosphate deposits of Yukon(http://quebulfineminerals.com/en/minerals/item/13435

Nice Malachite cluster(http://quebulfineminerals.com/en/minerals/item/11504)

[Sensitive high-resolution ion microprobe - Wikipedia, the free encyclopedia] is good,have a look at it! https://en.m.wikipedia.org/wiki/Sensitive_high-resolution_ion_microprobe

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مختصری در مورد روش طیف سنجی جرمی یون ثانویه با حساسیت زیاد

Mineral Deposits and Earth Evolution
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