tourmaline primary subject, 102 assertions
Subgroups 4
black tourmaline 1
blue tourmaline 1
chrome tourmaline 1
pink tourmaline 1
Aspects 4
color 21
discovery 3
property 3
variety 3
AtLocation 7
brazil 0.74
afghanistan 0.67
east africa 0.61
the usa 0.59
california 0.46
color 0.45
minor amounts 0.30
CapableOf 34
produce negative ions 0.57
protect the wearer 0.56
pass over rainbow 0.52
come in many colors 0.50
bring creativity 0.48
dispel grief 0.40
carry weak electric cha… 0.40
come in red 0.40
travel along rainbow 0.37
dispel fear 0.34
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HasA 3
more names 0.30
supernatural powers 0.25
strong affinity 0.16
HasProperty 17
unique 0.54
suitable 0.51
green 0.50
durable 0.45
piezoelectric 0.45
pink 0.45
hard 0.40
yellow 0.40
schorl 0.38
beneficial 0.36
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IsA 5
crystal silicate mineral 0.50
crystalline boron silic… 0.34
stone 0.31
gem 0.29
shamanic stone 0.25
ReceivesAction 36
compounded with iron 0.69
compounded with sodium 0.67
compounded with lithium 0.67
mined in madagascar 0.65
derived 0.63
mined in sri lanka 0.63
mined in tanzania 0.63
mined in pakistan 0.60
classified as semi-prec… 0.57
mined in addition 0.56
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