Have you ever wondered about how many rare stones are there in our world? Today i shall guide you towards some of these stones which are extremely rare in occurrence and you will definitely be surprised when we reach the last one!

3. Blue Garnet:

Blue garnets are an incredibly rare variety of garnet that can change color depending on the lighting conditions. They can appear blue-green in daylight and purplish-red under incandescent light. This unique color-changing property is due to the presence of vanadium. The most distinctive feature of blue garnets is their ability to change color under different lighting conditions. In natural daylight, they typically exhibit a blue-green or teal color. However, when exposed to incandescent light (such as that from a lamp or candle), they can shift to a purplish-red or pink hue.

2. Alexandrite:

Alexandrite is a chameleon-like gemstone that can exhibit green or blue-green colors in daylight and red or purplish-red under incandescent light. This color-changing phenomenon is known as pleochroism. Alexandrite is a variety of the mineral chrysoberyl and is valued for its rarity and striking color-changing abilities. The most distinctive feature of alexandrite is its ability to change color under different lighting conditions. In daylight or fluorescent light, it typically appears green or bluish-green, while under incandescent light (such as that from a lamp or candle), it can shift to shades of red, purplish-red, or brownish-red. This phenomenon is known as pleochroism.

1. Black opal:

Black opals are considered the rarest and most valuable type of opal. They display a vibrant play-of-color against a dark background, creating a stunning visual effect. The best black opals come from Lightning Ridge in Australia. The intensity and variety of colors, along with the rarity of top-quality specimens, contribute to their high value. The most distinctive feature of black opal is its play-of-color, an optical phenomenon where the gemstone displays flashes of various colors when viewed from different angles.

Here is a nice video to show you the various gemstones in the world!