[Ca.sub.2](Mg,[Fe.sup.2+])(P[O.sub.4]) x 2[H.sub.2]O
Associated minerals are: scholzite, tarbuttite, parahopeite, zincian collinsite
, switzerite and phosphophyllite.
Associated minerals are: pyrite, rutile, a ternovite-like phase, catapleiite, rimkorolgite, bobierrite, collinsite
, juonniite, strontiowhitlockite, pyrrhotite and strontian collinsite
Associated minerals are: bobierrite, pyrite, collinsite
, "chlorite," nastrophite and juonniite.
Associated minerals are: tetra-ferriphlogopite, calcite, dolomite, fluorapatite, niobian anatase (?), rimkorolgite, catapleiite, collinsite
The Tysons also have more newly collected Yukon phosphates (particularly some very fine whiteite, collinsite
and wardite) as well as some new pale yellow-green gemmy fluorapatite crystals and velvety black dravite/schorl specimens from the Scepter claim near Emerald Lake, Hess Mountains, Yukon.