Tellurides are similar to sulfides and are grouped with them in both the Dana and Strunz mineral classification systems.
2.
Bergman greatly contributed to the advancement of quantitative analysis, and he developed a mineral classification scheme based on chemical characteristics and appearance.
3.
In 1825 he published " Systema fossilium analysibus chemicis examinatorum secundum partium constitutivarum rationes ordinatorium ", a system of mineral classification based upon chemical principles.
4.
Razi ( 865 925 AD ), and Jamal Din al-Watwat ( d . 1318, wrote the book " Mabhij al-fikar wa-manhij al-' ibar " ), included vitriol in their mineral classification lists.
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