ORIGINAL PAPER
Gemological – geochemical characteristics of western Anatolian (Karacasu) citrines
 
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Batman University
 
 
Submission date: 2024-02-27
 
 
Final revision date: 2024-04-01
 
 
Acceptance date: 2024-08-05
 
 
Publication date: 2024-09-11
 
 
Corresponding author
Eyyüp Hikmet Kınacı   

Batman University
 
 
Gospodarka Surowcami Mineralnymi – Mineral Resources Management 2024;40(3):153-167
 
KEYWORDS
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ABSTRACT
Gemstones have been valued by people for thousands of years, even before the science of geology was established. Ornamental stones are formed by elements commonly found in nature, such as oxygen, carbon, aluminum, silicon, and magnesium. Silica group gemstones, with the chemical formula SiO2, are the most common gemstone group in the world. The presence of trace elements like Fe, Ni, Cr, and Cu gives them different colors. Quartz is a semi-precious inorganic gemstone that consists of Silicon dioxide (SiO2) and crystallizes naturally, and it also stands out as a gemstone. In this study, the aim was to determine the geological, geochemical, and gemological properties of citrine formations in Western Anatolia (Karacasu–Aydin–Turkiye). In this context; XRF, Raman spectrum and FTIR studies were carried out to determine the chemical and gemological properties of the samples collected from the study area. According to studies; The iron content of citrines is between 0.05–0.07%. As a result of Raman spectrometry, wavelength results of 175 cm–1, 300 cm–1, and 460 cm–1 were obtained. In addition, it has been determined that citrine formations are in the form of thin veins in the crack zones at the contacts of the metamorphic units in the region. Yellow quartz crystals, which are gemologically identified as citrine, were shaped and their gemstone value was revealed. Although citrines are called ferrous quartz, they gain a striking appearance when they are faceted, polished, and turned into the final product in terms of ornamental stones. Given that, in the jewelry sector, heat-treated stones, which are more affordable and readily accessible, are commonly used instead of citrine, it is believed that this study can provide significant insights into the characterization of the jewelry.
METADATA IN OTHER LANGUAGES:
Polish
Charakterystyka gemmologiczno-geochemiczna cytryn z zachodniej Anatolii (Karacasu)
cytryn, gemmologia, Karacasu, kwarc, kamień szlachetny
Kamienie szlachetne są cenione przez ludzi od tysięcy lat, jeszcze zanim powstała nauka geologii. Kamienie ozdobne są tworzone przez pierwiastki powszechnie występujące w przyrodzie, takie jak: tlen, węgiel, aluminium, krzem i magnez. Kamienie szlachetne z grupy krzemionki, o wzorze chemicznym SiO2, są najbardziej rozpowszechnioną grupą kamieni szlachetnych na świecie. Obecność pierwiastków śladowych, takich jak: Fe, Ni, Cr i Cu, nadaje im różne kolory. Kwarc jest półszlachetnym nieorganicznym kamieniem szlachetnym, który składa się z dwutlenku krzemu (SiO2) i krystalizuje naturalnie, a także wyróżnia się jako kamień szlachetny. Celem tego badania było określenie właściwości geologicznych, geochemicznych i gemmologicznych formacji cytrynowych w zachodniej Anatolii (Karacasu–Aydin–Turcja). W tym kontekście przeprowadzono badania XRF, widma Ramana i FTIR w celu określenia właściwości chemicznych i gemmologicznych próbek zebranych z badanego obszaru. Według badań, zawartość żelaza w cytrynach wynosi od 0,05 do 0,07%. W wyniku spektrometrii Ramana uzyskano wyniki długości fal 175 cm–1, 300 cm–1 i 460 cm–1. Ponadto ustalono, że formacje cytrynowe występują w postaci cienkich żył w strefach spękań na stykach jednostek metamorficznych w regionie. Żółte kryształy kwarcu, które z gemmologicznego punktu widzenia identyfikowane są jako cytryn, zostały ukształtowane i ujawniono ich wartość jako kamieni szlachetnych. Chociaż cytryny nazywane są kwarcem żelazistym, zyskują efektowny wygląd, gdy są fasetowane, polerowane i przekształcane w produkt końcowy w postaci kamieni ozdobnych. Biorąc pod uwagę, że w sektorze jubilerskim zamiast cytrynów powszechnie stosuje się kamienie poddane obróbce cieplnej, które są bardziej przystępne cenowo i łatwo dostępne, uważa się, że badanie to może dostarczyć istotnych informacji na temat charakterystyki biżuterii.
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