Did you know there is a stone in the world that almost no one cares about, almost no one knows about, but everyone who mines gems sees all the time, and even if they see it, they do not recognize it? But this stone is no ordinary stone. It belongs to the sapphire family—a stone like blue and red. Unfortunately, no one recognizes it, no one even tries to, and even if they do recognize it, it doesn’t have a big price. You still don’t know about this stone, do you? That is the Black Sapphire, hidden among other black stones like Black Tourmaline, Black Obsidian, Black Spinel, and Black Zircon. This is a difficult stone to separate and identify from other stones. Just like many types of stones have a black stone, sapphires also have a black stone. Because it contains too much iron and is opaque (not see-through), it is hard to separate and recognize from other stones. Another thing is, because some people throw it away along with stones like "Kalu Katta" (black waste stones), it ...