Most minerals are not considered to be of gem worthiness because they are too soft or brittle. Some could still make attractive decorative pieces, however.
Gemstones are a mineral.
no becase there others name
Gemstones are minerals but not all minerals are gemstones, as some minerals are very common and have little aesthetic or monetary value.
Yes. With the exceptions of coral and pearl, all gemstones are minerals.
Gem or Gemstones.
All gemstones are minerals, unless they were created by man or are organic gems like pearls and coral.
Gemstones are made from mineral crystals, yes.
Garnet
Gemstones Metals Other useful minerals
Diamond is used for gemstones, abrasives, and saw blades.
Not all minerals are gemstones; these are exceptions.
A place where they process rough gemstones into finished product is called a Lapidary. Most gemstones are minerals and a harder mineral will cut a softer mineral , the hardest mineral is Diamond , so in a lapidary they use finely graded Diamond powder to carefully polish the softer surface of the gemstone. A process is shown step by step at http://www.crescentgems.com/library-faceting.php Hope this helps Ahmed