K K K Keration K K K
K K K K K Kt GF K
K
ppm
CO
Fe Fe Mn Cu TiFeMnCr NiYU Fe Fe
Smaragdos Al O
Al O
A Sio F OH
Opal
Zr SiO BaSO
Fe O
ph
Na BOH H O
FeMnAl
MgFeSiAl
H Mg SiO
R R N
X
W W W W
A B C D
FriedrichMohs G S Vikers a
p kg d mm H Hv HM
SiO Al O
FeO MgO CaO Na O K OH O H O
CuPbZn um um
X X X X X X X X X X X
X HBCF NaAlPCa mg
X FeSn FeCu
A
X X X d I I X X d I X
X
A A A A A A A
Hi V Cr Mn Fe Co Cu Ni U TR Cr Fe Cr
SiO A
U
X
protoavis
C HCH
X X X