Chinese
Name:星星水晶 / 錳鋇礦水晶
English Name:Star Quartz / Hollandite
Quartz
Chemical Composition:SiO2
Crystal System:Trigonal
Hardness:7.0
SG:2.65
RI:1.54
- 1.55 (Double Refraction +0.009)
Related Chakra:All
chakras
Locality:Madagascar (Mainly)
Colour:Black star inclusion inside
White Quartz
Remarks:Hollandite as an inclusion
inside quartz, needle like crystal which grow as radiated
form, appearance as a star.
Hollandite is barium manganese oxide crystal which grow in
monoclinic crystal system and has a hardness of 4-6.
Hollandite was originally discovered in India and has been
known since at 1906. It was named after Thomas Henry Holland
(1868-1947), director of the Geological Survey of India. |