P3H4E1N1A1K5I1T1E1S1
19 points
PHENAKITES is validvalid
PHENAKITE,
PHENAKITE, a mineral, beryllium silicate, sometimes deceptively like quartz, also PHENACITE
PHENAKITE,
PHENAKITE, a mineral, beryllium silicate, sometimes deceptively like quartz, also PHENACITE