stephanovite

例句：

1. 1.The Stephanovite crystals are known for their unique beauty and rarity.
   斯蒂芬诺夫石以其独特的美丽和稀有性而闻名。
2. 2.The Stephanovite crystal was discovered in the remote mountains of Russia.
   斯蒂芬诺夫石是在俄罗斯偏远的山区发现的。
3. 3.The Stephanovite crystal is highly sought after by collectors due to its rarity and beauty.
   由于其稀有性和美丽，斯蒂芬诺夫石受到收藏家的极高追捧。