Tags: mineral


Name: Hokutolite
Locality: Hell Hot Spring Valley, Peitou, Taipei, Taiwan
Size & weight: 21.835g
Chemical Class: Sulphates
Chemical Formula: (Ba,Pb)SO4
Crystal System: Orthorhombic System
Hardness: 3-3.5
Chromatic: Idiochromatic
Streak: White
Common Form: Occurring in white and brown
Luster: Greasy and Vitreous;
Color: Yellowish-brown
Specific Gravity: 6.1
Hokutolite is a mineral of very rare occurrence world-wide. It crystallizes from precipitation from hot spring water of geothermal valley at Beitou. Of the several thousand minerals in existence, hokutolite is the only one named after a place in Taiwan. Hokutolite contains traces of rare and radioactive elements. Hokutolite is precious mineral and the pride of Taiwan.