Types of Emeralds
Basalt is rock formed from the hardened lava of an active volcano. Massage therapists often use basalt stones in their work; they are the most common type of massage stone. Basalt, a type of igneous rock, forms from the hot lava of an erupting volcano.
Granite Cave in the Pokémon Adventures manga In the Pokémon Adventures manga Granite Cave was the first place Ruby and Sapphire headed to after they had spotted each other again in Dewford Town in Guile from Mawile.
Many fine clear emeralds were produced, but most of the emerald-bearing rock was sold as "emerald matrix" for slabbing and cabochon cutting. The cabochons displayed emerald and tourmaline prisms in a white matrix of quartz and feldspar.
Emerald is a precious gemstone and a variety of the mineral beryl colored green by trace amounts of chromium and sometimes vanadium. Beryl has a hardness of 7.5–8 on the Mohs scale. Most emeralds are highly included, so their toughness is classified as generally poor. Emerald is a cyclosilicate.
The cabochons displayed emerald and tourmaline prisms in a white matrix of quartz and feldspar. A specimen of the Crabtree Pegmatite is shown on this page. North American Emerald Mines operates a small mine near Hiddenite, North Carolina.
Emerald is a precious gemstone and a variety of the mineral beryl (Be 3 Al 2 (SiO 3) 6) colored green by trace amounts of chromium and sometimes vanadium.
okay...I know Ichiro had a signature Juliet with emerald slate iridium lenses...my dumb question for the day is...What is the difference of emerald...