From Wikipedia, the free encyclopedia
Heliodoor on heksagonaalne, meekollase värvusega mineraal, berülli erim.
Heliodoor on tuntud vääriskivina. Heliodoorile iseloomulikke omadusi on kirjeldatud artiklis Berüll.
Pildid, videod ja helifailid Commonsis: Heliodoor |
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