Top 10 Rare Gemstones and Where to Find Them

Gemstones have fascinated humans for thousands of years, and their rarity and beauty have made them highly sought after. While there are many gemstones that are relatively common, there are also some that are incredibly rare and highly valued by collectors and jewelry enthusiasts. Here are the top 10 rarest gemstones and where they can be found.

Red Beryl (Bixbite)
Source: Mindat.org

Red Beryl (Bixbite)

Red Beryl, also known as bixbite, is one of the rarest gemstones in the world. It is found almost exclusively in the Wah Wah Mountains of Utah, USA, and is valued for its vivid red color. Red Beryl is so rare that a faceted stone over 1 carat is considered a significant find.

Red beryl was first discovered in the early 1900s by a group of prospectors looking for uranium in the area. However, it was not until the 1950s that red beryl was recognized as a distinct and valuable gemstone. Since then, mining for red beryl has been limited due to its rarity and the difficult mining conditions in the region.

One of the unique features of red beryl is its chemical composition, which includes beryllium, manganese, iron, and other trace elements. This combination of minerals creates the unique red color of the stone, and it is one of the rarest gemstones in the world, with only a few hundred specimens known to exist.

Grandidierite
Source: By Rob Lavinsky, iRocks.com – CC-BY-SA-3.0, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=10149538

Grandidierite

Grandidierite is a rare blue-green gemstone that was first discovered in Madagascar in 1902. It is named after the French explorer and naturalist Alfred Grandidier, who discovered it. Grandidierite is so rare that there are only a handful of known deposits in the world, and it is highly sought after by collectors.

One of the unique features of grandidierite is its unusual coloration. It ranges from a bluish-green to a greenish-blue hue, and it is often described as having a subtle, yet mesmerizing, beauty. Grandidierite is a relatively soft mineral, with a Mohs hardness of 7 to 7.5, making it suitable for use in jewelry that is worn occasionally rather than daily.

Grandidierite is primarily found in Madagascar, but it has also been discovered in Sri Lanka, Tanzania, and Namibia. However, it remains one of the rarest gemstones in the world, and large, high-quality specimens are highly sought after by collectors and gem enthusiasts.

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Alexandrite Gemstone
By Matteo Chinellato - http://www.mindat.org/photo-282796.html, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=21443943

Alexandrite

Alexandrite is a rare color-changing gemstone that was first discovered in Russia in the 1830s. It is named after Alexander II, who was the Tsar of Russia at the time. Alexandrite is highly valued for its ability to change color from green in natural daylight to red in incandescent light. It is found in Sri Lanka, Brazil, and East Africa, among other locations.

Tanzenite Gemstone
By Didier Descouens - Own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=9409630

Tanzanite

Tanzanite is a rare blue-violet gemstone that was first discovered in Tanzania in 1967. It is only found in a small area of northern Tanzania, and its rarity has made it highly valued by collectors and jewelry enthusiasts. Tanzanite is often heat-treated to enhance its color and clarity.

Tanzanite is typically found in small, elongated crystals that range in size from a few millimeters to a few centimeters. However, larger and more valuable stones have been discovered, with some weighing several carats.

One of the most unique features of tanzanite is its pleochroism, which means that it exhibits different colors when viewed from different angles. When viewed from one direction, tanzanite can appear blue, while from another direction, it can appear purple or violet.

Tanzanite is primarily found in the Merelani Hills of northern Tanzania, where it is mined using both traditional and modern mining methods.

It is important to note that tanzanite is a relatively soft stone, with a Mohs hardness of 6 to 7, making it more prone to scratching and damage than harder gemstones like diamonds and rubies.

Painite-Borate
By Strickja - Own work,

Painite

Painite is one of the rarest gemstones in the world, with only a handful of known specimens. It was first discovered in Myanmar in the 1950s and was named after the British mineralogist Arthur C.D. Pain. Painite is valued for its vibrant red color and is often found in small, triangular crystals.

Benitoite rare gemstone
By Reno Chris at English Wikipedia - Transferred from en.wikipedia to Commons by Liftarn using CommonsHelper., Public Domain, https://commons.wikimedia.org/w/index.php?curid=11946415

Benitoite

Benitoite is a rare blue gemstone that was first discovered in San Benito County, California, in 1907. It is only found in a few locations in California and is highly valued by collectors for its unique color and rarity. Benitoite is often compared to sapphires in appearance.

One of the most unique features of benitoite is its strong blue fluorescence, which causes it to glow brightly under ultraviolet light. This property is known as triboluminescence, and is a rare and desirable trait among gemstones.

In addition to its beauty, benitoite is believed to have several metaphysical properties. It is said to enhance intuition and psychic abilities, and to promote mental clarity and focus. Some also believe that benitoite can aid in spiritual growth and help to remove energy blockages.

Musgravite

Musgravite is a rare green-gray gemstone that was first discovered in the Musgrave Range of South Australia in 1967. It is only found in a few locations in the world and is highly valued for its rarity and unique color. Musgravite is often used in high-end jewelry and is considered one of the rarest gemstones in the world.

Serendibite

Serendibite is a rare black gemstone that was first discovered in Sri Lanka in 1902. It is only found in a few locations in the world and is highly valued for its rarity and unique color. Serendibite is often used in high-end jewelry and is considered one of the rarest gemstones in the world.

Jeremejevite

Jeremejevite is a rare blue-green gemstone that was first discovered in the Siberian region of Russia in 1883. It is only found in a few locations in the world and is highly valued for its rarity and unique color. Jeremejevite is often used in high-end jewelry and is considered one of the rarest gemstones in the world.

Black Opal

Black Opal: Black Opal is a rare and highly prized form of opal that is found in the Lightning Ridge region of New South Wales, Australia. It is valued for its dark body color and bright flashes of color that can range from blue and green to red and orange. Black Opal is often used in high-end jewelry and is considered one of the rarest and most valuable gemstones in the world.

While black opal is found in other locations such as Ethiopia and Mexico, the Lightning Ridge region of Australia is known for producing the highest quality black opals. The area was once a shallow inland sea, and over millions of years, the sediment from the sea floor formed layers of claystone and sandstone. These layers are the source of the opal, and it is believed that the unique conditions in this area are responsible for the creation of black opals.

Black opals can be found in a variety of shapes and sizes, but larger stones with intense colors are the most valuable. The value of black opal is determined by a combination of factors including the intensity and range of colors, the pattern of the colors, the clarity and transparency of the stone, and the overall quality of the cut and polish.

Black opals have been prized for centuries, and their rarity and beauty have made them highly sought after by collectors and jewelry enthusiasts. In the late 1800s, black opals from Lightning Ridge were first discovered and began to gain popularity. By the early 1900s, black opal mining had become a major industry in the region, and it remains an important part of the local economy to this day.

One of the most famous black opals is the “Aurora Australis,” which was discovered in Lightning Ridge in 1938. The stone weighs over 180 carats and has a unique pattern of colors that resemble the aurora borealis. The stone is currently on display at the South Australian Museum in Adelaide.

In recent years, the demand for black opal has continued to grow, and prices for high-quality stones have increased significantly. While black opal is still relatively rare compared to other gemstones, advances in mining technology and techniques have made it easier to extract the opal without damaging it. However, the supply of high-quality black opal is still limited, and it is expected to remain a highly sought after gemstone for years to come.

In conclusion, black opal is one of the rarest and most valuable gemstones in the world. Its unique dark body color and bright flashes of color make it highly prized by collectors and jewelry enthusiasts, and it remains an important part of the local economy in the Lightning Ridge region of Australia. While the supply of high-quality black opal is limited, advances in mining technology and techniques are helping to ensure its continued availability in the marketplace.