Emerald
The term emerald comes from the Greek "smaragdos", but its original meaning is unclear. There are also no synonyms.
It is found in India, Zambia, South Africa, Tanzania, Brazil, Colombia, Austria and Russia.
The colour in clear crystals is emerald green, grass green, yellowish to greyish green.
Mineral class of ring silicates, emerald is a beryllium aluminium silicate.
formula: Be3Al2(Si6O18) + K,Li,Na + (Cr,V).
Mohs hardness: 7.5 - 8
Density: 2.67 - 2.78
cleavage: imperfect, small, uneven fracture
Stroke colour: white
Transparency: transparent to opaque
Healing properties
Harmony, justice, recreation, sense finding, orientation, goal finding and realisation