This pendant is made of rutile quartz, also known as one of the most powerful natural stones, with silver 925 fittings. It's a teardrop shape, and the thickest part is 1.1 cm. The size is indicated in the photos. Images 12 and 13 were taken in natural outdoor light. It's a beautiful gemstone with needle-like minerals called rutile (金紅石) inside clear quartz crystal. Upon further research, the black parts appear to be another mineral called hematite. - Stone Type: Rutile Quartz - Shape: Pendant - Metal Fittings: Silver 925 ☑️ Colors may appear slightly different from the actual product depending on your computer, monitor, or other viewing environment. ☑️ Please purchase only if you understand that this is a used item. Please refrain from purchasing if you are overly sensitive to such matters. Thank you for looking.