?? ?????????? ????????? ????
??????
?????
?? ??
?????? ????? ?????
???? ????
?????? ?????
(??
???????
:
Crystal system
) ???????????? ??
?????????
???? ?????????
?????? ?????
???. ??? ?????? ????? ???? ???? ?? ??
???? ?????
?? ???? ????.
???????? ??????
[
??????
]
- Hurlbut, Cornelius S.; Klein, Cornelis, 1985,
Manual of Mineralogy
, 20th ed., pp. 64 - 65,
ISBN
0-471-80580-7