Bosoite, a new silica clathrate mineral from Chiba Prefecture, Japan

Momma, Koichi; Ikeda, Taichi; Nagase, Toshiro; Kuribayashi, Takahiro; Honma, Chibune; Nishikubo, Katsumi; Takahashi, Nobuo; Takada, Masayuki; Matsushita, Yoshitaka; Miyawaki, Ritsuro; Matsubara, Satοshi

doi:10.1180/mgm.2020.91

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Cited by 4 publications

(1 citation statement)

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“…The clathrasil minerals found in Nature so far, i.e., melanophlogite (framework topology code MEP) [2], Holdstite (MTN) [9], chibaite (MTN) [10], and bosoite (DOH) [11], occlude as guest molecules N 2 , CO 2 , light hydrocarbons like CH 4 , C 2 H 6 , and sometimes noble gases or other impurities.…”

Section: Introductionmentioning

confidence: 99%

Hydrothermal crystallization of clathrasils in acidic medium: Energetic aspects

Zhao

Lang

et al. 2022

Microporous and Mesoporous Materials

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Section: Introductionmentioning

confidence: 99%

Hydrothermal crystallization of clathrasils in acidic medium: Energetic aspects

Zhao

Lang

et al. 2022

Microporous and Mesoporous Materials

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Hydrogen atom in γ-irradiated synthetic isopropylamine silica clathrate

Tamai,

Isogai,

Yokoyama

et al. 2024

Radiation Physics and Chemistry

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Hydrogen transfer reactions via organic radicals in gamma-irradiated chibaite

Yokoyama,

Isogai,

Kusuki

et al. 2023

Radiation Protection Dosimetry

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Chibaite, a silica-framework structure with cage-like voids occupied by gaseous molecules, was found in marine sediments. Its formation age could be evaluated using electron spin resonance (ESR) if the radicals formed by natural radiation can be assumed to accumulate over time. To investigate whether hydrogen transfer reactions, where organic radicals withdraw hydrogen atoms from other molecules in adjacent cages, occur in chibaite and affect ESR dating, gamma-irradiated chibaite was measured by ESR. Methyl, ethyl, n-propyl, isopropyl, tert-butyl radicals and hydrogen atoms were created by gamma irradiation at 77 K. The amount of tert-butyl radicals increased around 240 K and the similar amount of the other organic radicals decreased simultaneously, implying that hydrogen transfer reactions occur between isobutane and the organic radicals in chibaite around 240 K and therefore would have no influence on ESR dating because the reactions are completed at the environmental temperature.

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Bosoite, a new silica clathrate mineral from Chiba Prefecture, Japan

Abstract: This is a 'preproof' accepted article for Mineralogical Magazine. This version may be subject to change during the production process.

Cited by 4 publications

References 34 publications

Hydrothermal crystallization of clathrasils in acidic medium: Energetic aspects

Hydrothermal crystallization of clathrasils in acidic medium: Energetic aspects

Hydrogen atom in γ-irradiated synthetic isopropylamine silica clathrate

Hydrogen transfer reactions via organic radicals in gamma-irradiated chibaite

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