Difference Between Step Brother and Half Brother. In the institution of marriage, offspring is referred to siblings or brothers and sisters. As long as offspring are from same parents, they are called real brothers and sisters. In fact, the word real is used these days only because of dilution of this institution and divorces taking place.
Ruby is the red variety of corundum. It is quite a bit rarer than the blue gems. The rarity combined with the demand for rich red gems keeps the price very high. Among rubies though, there is no shortage of small gems, the kind used in cluster rings.hey are somewhat expensive, but readily available. The Carmen Lucia Ruby is an incredibly rare ruby due to both its size and quality. It is when you get into gems of a carat of more that they get really expensive. Good quality rubies in this size range are few and far between.
Ruby Value, Price, and Jewelry Information. Rubies are the most valuable members of the corundum family. Large gem quality rubies can be more valuable than comparably sized diamonds and are certainly rarer.There is a relative abundance of smaller, (1-3 carat,) blue sapphires compared to the scarcity of even small gem quality rubies, making even these smaller stones relatively high in value.uby Value, Price, and Jewelry Information. Rubies are the most valuable members of the corundum family. Large gem quality rubies can be more valuable than comparably sized diamonds and are certainly rarer.