howlite vs white turquoise-dyed howlite vs white turquoise

The appearance of howlite is porcelain white,with dark grain.Howlite does have very similar appearance characteristics to turquoise,howlite looks very like albino turquoise.But in fact,howlite and turquoise are completely different varieties.
Howlite is also called magnesite.Many businesses use it as a dyeing material to make fake turquoise.Dyed howlite can also be used as accessories,but it should not be used as turquoise to sell at the price of turquoise.Consumers should not be deceived.

So how do you tell a dyed howlite from a dyed turquoise?
1.Different mineral composition.Turquoise is a phosphate mineral assemblage of copper and aluminum,characterized by its opaque azure color.There are also light blue,blue green,green,light green,yellow green,gray green,pale and other colors.General hardness 5~6,density 2.6~2.9,refractive index about 1.62.Fluoresce greenish to blue under long-wave UV light.White pine stone is magnesite,magnesite with pink gray reflection color,light pink internal reflection color,common heteromorphic crystal,does not have a polymer double crystal.
2.Different uses.Turquoise is often used as an ornament,while howlite is often used as a raw material to extract magnesium.
3.Hardness is different.Howlite can be easily cut with hard things,but turquoise will not be easily cut.