obsidian primary subject, 69 assertions
Subgroups 2
snowflake obsidian 5
black obsidian 2
Aspects 0
AtLocation 6
italy 0.38
mexico 0.33
japan 0.29
mirror 0.28
crystal balls 0.28
iceland 0.25
CapableOf 15
dissolve emotional bloc… 0.53
dissolve ancient traumas 0.53
produce arrowhead 0.52
produce sharp blades 0.43
cool within the earth 0.35
make tool 0.33
consist of sio2 0.29
connect the mind 0.29
give glory 0.29
make good 0.29
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HasA 5
patterns of gas bubbles 0.38
a hardness of 5 0.29
specific gravity of 2.35 0.29
low water content 0.25
fascinating properties 0.16
HasProperty 20
black 0.67
hard 0.55
brittle 0.53
dark 0.47
amorphous 0.40
rare 0.40
translucent 0.38
useful 0.37
sharp 0.35
metastable 0.35
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IsA 2
volcanic glass 0.68
glass 0.53
ReceivesAction 18
formed 0.57
formed as lava 0.54
used to make tool 0.54
used to make blade 0.53
used to make scraper 0.43
valued in stone age cul… 0.41
used in addition 0.38
formed by rapid cooling… 0.29
obtained 0.29
mined with a diamond pi… 0.29
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UsedFor 3
healing 0.41
releasing 0.41
weapon 0.28