Discovery of Disulfane (H2S2) in Fluid Inclusions in Rubies from Yuanjiang, China, and Its Implications

Raman spectra of fluid inclusions in gem rubies from Yuanjiang deposit (China) within the Ailao Shan-Red River (ASRR) metamorphic belt showed the presence of compounds such as CO2, COS, CH4, H2S, and elemental sulfur (S8...

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Autores principales:	Wenqing Huang, Pei Ni, Jungui Zhou, Ting Shui, Junying Ding, Renzhi Zhu, Yitao Cai, Mingsen Fan
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	rubies fluid inclusion Ailao Shan-Red River metamorphic belt Crystallography QD901-999
Acceso en línea:	https://doaj.org/article/8c6837bcc7564c7c8946501df567c0c0
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spelling	oai:doaj.org-article:8c6837bcc7564c7c8946501df567c0c02021-11-25T17:17:59ZDiscovery of Disulfane (H<sub>2</sub>S<sub>2</sub>) in Fluid Inclusions in Rubies from Yuanjiang, China, and Its Implications10.3390/cryst111113052073-4352https://doaj.org/article/8c6837bcc7564c7c8946501df567c0c02021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4352/11/11/1305https://doaj.org/toc/2073-4352Raman spectra of fluid inclusions in gem rubies from Yuanjiang deposit (China) within the Ailao Shan-Red River (ASRR) metamorphic belt showed the presence of compounds such as CO<sub>2</sub>, COS, CH<sub>4</sub>, H<sub>2</sub>S, and elemental sulfur (S<sub>8</sub>), accompanied by two bands at approximately 2499 and 2570 cm<sup>−1</sup>. These two frequencies could be assigned to the vibrations of disulfane (H<sub>2</sub>S<sub>2</sub>). This is the second case of the sulfane-bearing fluid inclusions in geological samples reported, followed by the first in quartzite from Bastar Craton of India. The H<sub>2</sub>S<sub>2</sub> was likely in situ enclosed by the host rubies rather than a reaction product that formed during the cooling of H<sub>2</sub>S and S<sub>8</sub>, suggesting sulfanes are stable at elevated temperatures (e.g., >600 °C). By comparing the lithologies and metamorphic conditions of these two sulfane-bearing cases (Bastar and Yuanjiang), it is suggested that amphibolite facies metamorphism of sedimentary sequence that deposited in a continental platform setting might favor the generation of sulfanes. Sulfanes may play an important role in the mobilization of Cr that is essential for ruby crystallization.Wenqing HuangPei NiJungui ZhouTing ShuiJunying DingRenzhi ZhuYitao CaiMingsen FanMDPI AGarticlerubiesfluid inclusionAilao Shan-Red River metamorphic beltCrystallographyQD901-999ENCrystals, Vol 11, Iss 1305, p 1305 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	rubies fluid inclusion Ailao Shan-Red River metamorphic belt Crystallography QD901-999
spellingShingle	rubies fluid inclusion Ailao Shan-Red River metamorphic belt Crystallography QD901-999 Wenqing Huang Pei Ni Jungui Zhou Ting Shui Junying Ding Renzhi Zhu Yitao Cai Mingsen Fan Discovery of Disulfane (H<sub>2</sub>S<sub>2</sub>) in Fluid Inclusions in Rubies from Yuanjiang, China, and Its Implications
description	Raman spectra of fluid inclusions in gem rubies from Yuanjiang deposit (China) within the Ailao Shan-Red River (ASRR) metamorphic belt showed the presence of compounds such as CO<sub>2</sub>, COS, CH<sub>4</sub>, H<sub>2</sub>S, and elemental sulfur (S<sub>8</sub>), accompanied by two bands at approximately 2499 and 2570 cm<sup>−1</sup>. These two frequencies could be assigned to the vibrations of disulfane (H<sub>2</sub>S<sub>2</sub>). This is the second case of the sulfane-bearing fluid inclusions in geological samples reported, followed by the first in quartzite from Bastar Craton of India. The H<sub>2</sub>S<sub>2</sub> was likely in situ enclosed by the host rubies rather than a reaction product that formed during the cooling of H<sub>2</sub>S and S<sub>8</sub>, suggesting sulfanes are stable at elevated temperatures (e.g., >600 °C). By comparing the lithologies and metamorphic conditions of these two sulfane-bearing cases (Bastar and Yuanjiang), it is suggested that amphibolite facies metamorphism of sedimentary sequence that deposited in a continental platform setting might favor the generation of sulfanes. Sulfanes may play an important role in the mobilization of Cr that is essential for ruby crystallization.
format	article
author	Wenqing Huang Pei Ni Jungui Zhou Ting Shui Junying Ding Renzhi Zhu Yitao Cai Mingsen Fan
author_facet	Wenqing Huang Pei Ni Jungui Zhou Ting Shui Junying Ding Renzhi Zhu Yitao Cai Mingsen Fan
author_sort	Wenqing Huang
title	Discovery of Disulfane (H<sub>2</sub>S<sub>2</sub>) in Fluid Inclusions in Rubies from Yuanjiang, China, and Its Implications
title_short	Discovery of Disulfane (H<sub>2</sub>S<sub>2</sub>) in Fluid Inclusions in Rubies from Yuanjiang, China, and Its Implications
title_full	Discovery of Disulfane (H<sub>2</sub>S<sub>2</sub>) in Fluid Inclusions in Rubies from Yuanjiang, China, and Its Implications
title_fullStr	Discovery of Disulfane (H<sub>2</sub>S<sub>2</sub>) in Fluid Inclusions in Rubies from Yuanjiang, China, and Its Implications
title_full_unstemmed	Discovery of Disulfane (H<sub>2</sub>S<sub>2</sub>) in Fluid Inclusions in Rubies from Yuanjiang, China, and Its Implications
title_sort	discovery of disulfane (h<sub>2</sub>s<sub>2</sub>) in fluid inclusions in rubies from yuanjiang, china, and its implications
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/8c6837bcc7564c7c8946501df567c0c0
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Discovery of Disulfane (H<sub>2</sub>S<sub>2</sub>) in Fluid Inclusions in Rubies from Yuanjiang, China, and Its Implications

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