Geochemical composition and morphology study of Major Minerals of Angus Stone from Gamalama Mountain, Ternate Island, Indonesia

Yanny, Yanny; Ibrahim, Mohammad Marshus Hi; Abbas, Said Hi; Muliadi, Muliadi; Jaya, Asri; Maulana, Adi

doi:10.1088/1742-6596/1569/4/042080

Cited by 2 publications

(2 citation statements)

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“…The 2 angles which indicated the presence of silica compounds (SiO2) were 2= 22 o and 27 o , each signifying cristobalite and quartz minerals respectively.Moreover, the cristobalite was found to be the most abundant silica mineral with the highest peak showing at a value of 2=22 o . This finding is in accordance with[11,12] which stated that all silica minerals show a peak at a value of 2 = 22 o . The specific angle was determined to indicate cristobalite as the mineral with the highest composition in clay, corresponding to[13] which revealed that the characteristic 2 value of cristobalite is 22 o .…”

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confidence: 93%

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Identification and Characterization of Maitara Island Clay, North Maluku

et al. 2021

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Characterization and identification of Maitara Island clay have been carried out. This study aims to determine the types of minerals contained in the Maitara Island clay. The analytical methods used include X-Ray Fluorescence (XRF) to determine the chemical composition of Maitara Island clay, X-Ray Diffraction (XRD) for mineralogical analysis of Maitara Island clay, Fourier Transmission Infra Red (FTIR) to determine the types of vibrations that exist between the atoms in clay minerals from Maitara Island, and Scanning Electron Microscopy (SEM) to determine the morphology of clay minerals. XRF analysis showed that silica was the element found to dominate the clay minerals with a percentage of 40.79%. Moreover, the highest oxide component found was SiO2 with a percentage of 87.25%. XRD analysis indicated that the Maitara Island clay minerals are composed of montmorillonite, magmatite, aluminum oxide colondrum, cristobalite, lime, titanium oxide, and hematite. The results of FTIR analysis denoted the presence of silica as silanol and siloxane. SEM images showed angular grains which signified silica as the main component in the clay minerals of Maitara Island

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confidence: 93%

“…The purpose of this research is to identify and characterize the types of clay minerals found on Maitara Island. Mineral identification and characterization were carried out using x-ray fluorescence (XRF), x-ray diffraction (XRD), Fourier transform infrared (FT-IR) and scanning electronic microscopic instrumentations [9,10,11].…”

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confidence: 99%