The mineral is Beryl.
No, Pokémon Crystal is not capable of communicating with Pokémon Emerald.
yes
No, it is impossible to trade from crystal to ruby/saphire/emerald. The games are incompatible.
No there is no way of transfering from Crystal to Emerald. Only RBY to GSC, and Emerald to all games beyond.
A topaz is a gemstone that can come in various colors such as yellow, blue, or pink. An emerald is a green gemstone belonging to the beryl mineral group. A diamond is a clear, colorless gemstone composed of carbon atoms. Each of these gemstones have unique qualities and characteristics.
You cannot reach kanto in emerald version only in silver, gold or crystal.
The Gachala Emerald is the uncut emerald crystal weighing 858 carats (172 g) that is at the Smithsonian.
Sapphire, ruby, emerald, Crystal,
No
You can get Chikorita in Pokemon Gold, Silver, Crystal, and Emerald.
Emerald belongs to the beryl mineral family and typically has a hexagonal crystal structure. It forms prismatic crystals with a hexagonal cross-section and has a hardness of 7.5-8 on the Mohs scale. The vivid green color of emerald is due to trace amounts of chromium or vanadium in its composition.
you don't you get them from emerald or firered/leaf green