Tourmaline
green tourmaline
SEASON TYPE:autumn type, spring type, summer type.
Origin:Brazil, Russia, Italy, Austria, India, Pakistan.
Composition:the composition is variable, but usually consists of iron, magnesium, calcium, lithium, sodium.
The hardness on the scale of Mohs 7-7.5
pink tourmalijn
SEASON TYPE:winter type, spring type, summer type
Origin:Brazil, Nigeria, Pakistan, United States, Afghanistan, Australia, Burma, India.
Composition:its composition is variable, but in most cases it consists mainly of iron, magnesium, calcium, lithium and sodium.
The hardness on the scale of Mohs 7-7.5
Paraíba Tourmaline
SEASON TYPE:winter type, spring type, summer type
Origin:Brazil, Nigeria and Mozambique.
Composition:contains large amounts of copper, iron and manganese.
The hardness on the scale of Mohs 7-7.5