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Abdul Malik Bahrudin
Departement of Chemistry, Faculty of Mathematics and Natural Sciences, University of Brawijaya
Chemical Engineering, Chemistry & Bioengineering Chemistry Materials Science & Nanotechnology Medicine & Pharmacology

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Depth Profiling of Dark and Light Green Bacan: Construction of Material Characters Models from Elemental Analysis and Mineralogical Characterization Rizky Arief Shobirin; Abdul Malik Bahrudin
The Journal of Pure and Applied Chemistry Research Vol 5, No 3 (2016)
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1325.258 KB) | DOI: 10.21776/ub.jpacr.2016.005.03.291

Abstract

We have demonstrated the evolutional depth profiling methods for local minerals of Bacan in order to establish the sold price and maintenance of minerals sector in Indonesia. The depth profiling methods was performed by elemental analysis and mineralogical characterisation using X-ray fluorescence (XRF) and X-ray diffraction (XRD). We refined materials parameters then constructed the materials models to describe the difference of materials characters. These results described that LG Bacan has crystals phase of  Dioptase (CuSiO3), Liebenbergite (Ni2SiO4), and variant of Calderonite (Ca2CuP2O9). DG Bacan has crystals phase of Fayalite (Fe2SiO4), and variant of Ferriannite (KCaFe3Si3O12). All crystals phase in LG Bacan has growth orientation on [001] direction, and has more structured crystallite size with small range of its distribution. All phase in DG Bacan has the preferred growth so, except Fayalite crystal phase. DG Bacan less structured than LG Bacan, with wider range of crystallite size distribution, but has harder structure than LG Bacan. Quartz structure in LG Bacan was more polar than DG Bacan.
Co-Authors Rizky Arief Shobirin