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2. Connemara marble - Wikipedia

   en.wikipedia.org/wiki/Connemara_marble

   Connemara marble or "Irish green" is a rare variety of green marble from Connemara, Ireland. It is used as a decoration and building material. It is used as a decoration and building material. [ 1 ] [ 2 ] Its colour causes it to often be associated with the Irish identity, and for this reason it has been named the national gemstone of Ireland.

3. Jadeite - Wikipedia

   en.wikipedia.org/wiki/Jadeite

   Jadeite is a pyroxene mineral with composition Na Al Si 2 O 6. It is hard ( Mohs hardness of about 6.5 to 7.0), very tough, and dense, with a specific gravity of about 3.4. It is found in a wide range of colors, but is most often found in shades of green or white. Jadeite is formed only in the subduction zones of continental margins, where rock ...

4. Marble - Wikipedia

   en.wikipedia.org/wiki/Marble

   Common marble varieties are granular limestone or dolomite. The hardness of marble is very high, because the internal structure of the rock is very uniform after long-term natural aging, and the internal stress disappears, so the marble will not be deformed due to temperature, and has strong wear resistance. It is a very popular building material.

5. Jade - Wikipedia

   en.wikipedia.org/wiki/Jade

   Main jade producing countries. Jade is an umbrella term for two different types of decorative rocks used for jewelry or ornaments.Jade is often referred to by either of two different silicate mineral names: nephrite (a silicate of calcium and magnesium in the amphibole group of minerals), or jadeite (a silicate of sodium and aluminum in the pyroxene group of minerals). [1]

6. Jade trade in Myanmar - Wikipedia

   en.wikipedia.org/wiki/Jade_trade_in_Myanmar

   The jade trade in Myanmar consists of the mining, distribution, and manufacture of jadeite —a variety of jade —in the nation of Myanmar (Burma). The jadeite deposits found in Myanmar's northern regions are the source of the highest quality jadeite in the world, noted by sources in China going as far back as the 10th century.

7. Tennessee marble - Wikipedia

   en.wikipedia.org/wiki/Tennessee_marble

   Tennessee marble is a type of crystalline limestone found only in East Tennessee, in the southeastern United States. Long esteemed by architects and builders for its pinkish-gray color and the ease with which it is polished, the stone has been used in the construction of numerous notable buildings and monuments throughout the United States and ...