What is the rarest type of ruby?

What is the rarest type of ruby?

Star rubies are the rarest rubies, according to Guernsey’s, and they are among the most valuable types of colored gemstones available in the world. Most are rarer and more valuable than diamonds of comparable size. For hundreds of years, Myanmar was the world’s main source for rubies.

What is pigeon blood glass?

New Word Suggestion. A 19th century name for glass that was blood red. Red glass was difficult to make before the 1930s and highly prized, but with the advent of more controlled temperature glass furnaces lead to increased production.

How to access the array elements in Ruby?

In Ruby, there are several ways to retrieve the elements from the array. Ruby arrays provide a lot of different methods to access the array element. But the most used way is to use the index of an array. Sometimes, we need to access the multiple elements from the array.

Which is the last element in an array in Ruby?

A negative index is assumed relative to the end of the array — that is, an index of -1 indicates the last element of the array, -2 is the next to last element in the array, and so on. Ruby arrays can hold objects such as String, Integer, Fixnum, Hash, Symbol, even other Array objects.

Where does the color of a Ruby come from?

Ruby is one of the traditional cardinal gems, together with amethyst, sapphire, emerald, and diamond. The word ruby comes from ruber, Latin for red. The color of a ruby is due to the element chromium.

What is a negative index in a ruby array?

Ruby – Arrays. A negative index is assumed relative to the end of the array — that is, an index of -1 indicates the last element of the array, -2 is the next to last element in the array, and so on. Ruby arrays can hold objects such as String, Integer, Fixnum, Hash, Symbol, even other Array objects.