21hhdw.is ((SAL AMMONIAC)), $15 MINIMUM BID, Ravat, Tadzhikistan, Kazakhstan, 2 x .5 x .3 cm, Thumbnail, | |
Excellent feather like 90 degree branching crystals. These came out in about 1980-81 from an expedition of the Fersman Mineralogy Museum in Moscow. This one come is a glass vial with a foam insert easily removed with a straight pin. Note water soluble. |