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Moneragala, Distrikt
Chrysoberyl
BeAl
2
O
4
orthorhombisch
4.BA.05
Color:
grün, blau
Streak color:
weiß
Lustre:
Glasglanz
'Feldspar group'
© Heinz Dieter Müller (Dieter1)
'Hessonite'
Ca
3
Al
2
(SiO
4
)
3
9.AD.25
Color:
orange bis pfirsichfarben
'Moonstone'
'Sapphire'
Al
2
O
3
Color:
blau / hellblau / ferner: grünlich oder gelb
Streak color:
weiß
Lustre:
Glasglanz
Diaphaneity (Transparency):
durchscheinend bis transparent
Fracture:
muschelig, splittrig
Tenacity:
spröde
Sillimanite
Al
2
SiO
5
orthorhombisch
9.AF.05
Color:
farblos, weiß, gelblichgrau, graugrün
Streak color:
weiß
Lustre:
Glasglanz
Diaphaneity (Transparency):
transparent bis durchscheinend
Spinel
MgAl
2
O
4
kubisch
4.BB.05
Color:
schwarz, farblos, rot, blau, grün, braun
Streak color:
grauweiß
Diaphaneity (Transparency):
transparent bis durchscheinend bis opak
©
Collector