【中文版】

pt950是一种铂金，其纯度为95%。它是一种贵金属，具有高密度、高强度和高耐磨性等特点，因此被广泛用于制作高档珠宝首饰。在2015年，pt950的价格大约在每克300元左右，具体价格会受到市场供求关系、汇率等因素的影响。

【英文版】

Pt950 is a type of platinum with a purity of 95%. It is a precious metal with high density, high strength and high wear resistance, so it is widely used in making high-end jewelry. In 2015, the price of Pt950 was around 300 yuan per gram, and the specific price was affected by market supply and demand, exchange rates and other factors.