Bowenite has a light to dark apple green colour, often mottled with cloudy white patches and darker veining.
It is an especially hard Serpentine
with Moh's hardness 5.5 and it is most frequently used in carving and jewellery.
Bowenite is sometimes used as a substitute of jade.
Bowenite found in South Korea has uniform semi-transparent deep green colour with numerous fine, opaque black magnetite inclusions. It is also known as Booyo precious serpentine.
|A variety or type of:||Antigorite, which is a variety of Serpentine|
|Chemical Formula||Handbook of mineralogy (2001) , |
|Photos of natural/un-cut material from mindat.org|
|May be dyed: acetone test. Dyed intense green - chelsea: reddish - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 6|
|Physical Properties of Bowenite|
|Mohs Hardness||5 to 5.5Blue Chart Gem Identification (2010) , |
|Specific Gravity||2.58 to 2.80Blue Chart Gem Identification (2010) , |
|Tenacity||SectileManagement Team (2012) , |
|Cleavage Quality||PerfectManagement Team (2012) , |
|Fracture||Uneven,Irregular,SplinteryManagement Team (2012) , |
|Optical Properties of Bowenite|
|Refractive Index||1.530 to 1.575Blue Chart Gem Identification (2010) , |
|Colour (General)||Oily green to bluish green. Common whitish cloudy patchesBlue Chart Gem Identification (2010) , |
|Transparency||TranslucentBlue Chart Gem Identification (2010) , |
|Lustre||Waxy,Silky,Resinous,Greasy,Dull (Earthy)Management Team (2012) , |
|Crystallography of Bowenite|
|Crystal System||MonoclinicBlue Chart Gem Identification (2010) , |
|Inclusions in Bowenite|
|May show typical greenish sparkling inclusions (chlorite) - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 6|
|Mineral information:||Bowenite information at mindat.org|
|Significant Gem Localities|
- South Chungcheong Province