Corundum Mineral Family Group

Corundum is a significant mineral found in various types of rocks, such as igneous, metamorphic, and sedimentary rocks. It belongs to the trigonal crystal system. The interesting thing about the CORUNDUM MINERAL FAMILY is its extraordinary hardness and lovely appearance. This extreme hardness makes it a valuable material for both cutting gemstones and industrial use.

In the field of gems and astrology, the Corundum Mineral Family holds special importance. It’s most commonly recognized by its more popular names, “ruby” and “sapphire.” A high-quality corundum with a deep red hue is known as a “ruby,” while a beautiful blue corundum is referred to as “ Blue sapphire.” There’s also “white sapphire” when it’s colorless and “fancy sapphire” for other colors. These gemstones have unique energies, contributing to their demand in various spiritual and astrological practices.

Its exceptional hardness places it as the second hardest mineral, following diamond. In the world of gemstones, it’s part of the coveted group of gems known as “the big four,” along with diamonds, emeralds, and rubies. Ruby and sapphire, are both derived from the corundum mineral family group.


Ruby’s name, derived from the Latin “Rubeus,” celebrates its captivating red hue. Before 1800, red spinel, garnet, and Ruby were confused due to their shared color. The red color in rubies is primarily due to the presence of chromium ions. The higher the chromium content, the more intense the red color while iron adds brown tones. The most prized shade is intense crimson, often called pigeon blood red. Clarity matters, though most natural rubies have inclusions. Because in terms of hardness, it is second to diamond making it the most valuable and demandable stone.

Ruby gemstones are primarily found in countries such as Myanmar (Burma), Thailand, Sri Lanka, Madagascar, and Mozambique. These regions are known for their rich deposits of high-quality rubies.

Blue sapphire

Blue Sapphire, a type of beautiful gemstone of the corundum mineral family group, has a special history tied to loyalty, intelligence, and truth. Its captivating blue color connects with us on a deep level. It’s very hard, ranking 9 on the hardness scale. The gem often shows different colors in its structure, so it needs careful cutting to bring out the best shade.

A well-cut and polished blue sapphire will exhibit a bright and attractive luster, which enhances its visual appeal. Blue sapphire belongs to the mineral species corundum. It should be pure blue but ranges from greenish blue to violetish blue. The name “sapphire” can apply to any corundum variety that’s not red and doesn’t qualify as Ruby.

Yellow Sapphire

Yellow Sapphire, also called Pukhraj in Hindi, is a precious gem belonging to the corundum mineral family group. Formed in rocks and alluvial deposits, it comes in common shapes like oval, round, cushion, and emerald cuts. Its colors range from yellow to hints of orange. According to Indian astrology, wearing a yellow sapphire can bring numerous benefits, including increased wealth, wisdom, knowledge, and overall success in life. It is also believed to enhance one’s marital happiness and fertility. It also protects the wearer from lightning.

To maintain the effectiveness of the gemstone, it should be cleaned regularly with mild soap and water. It’s important to consult with a qualified astrologer or gemologist for proper guidance on wearing and caring for yellow sapphire



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