土耳其采购需求：购买氧化钐，CAS号：12060-58-1，高纯度氧化钐，氧化钐价格，稀土氧化物，稀土氧化钐

We're looking to gather detailed information on two specific compounds, samarium oxide and tungsten oxide. Could you provide insights into their key properties, specifically focusing on density, thermal conductivity, and heat capacity? A comparative table would be ideal for clarity. Additionally, if there are any relevant processing or application details that could enhance our understanding of these materials, please include that as well. Your expertise in this matter is greatly appreciated, and we aim to make informed decisions based on the data you provide. Thank you for your assistance!