💎Herkimer diamonds are rare quartz crystals with two terminations, making them both costly and popular with mineral collectors.
💎Grandiderite is a blue-green gemstone that is incredibly rare and difficult to cut, but highly sought after for its color and quality.
💎Tanzanite is a rare and beautiful gemstone found only in a small mining area in Tanzania. Its vivid blue and violet coloring make it highly desirable.
💎Musgravite is a gray-green to green gemstone that is incredibly rare and can sell for up to $35,000 per carat.
💎The Bahia Emerald is one of the largest emeralds in existence, weighing 752 pounds and valued at around $400 million.