TKhalifa TKhalifa

06-11-2020
Physics

contestada

A black stone was discovered to have magnetic properties.

a) What was this stone first called?

b) What is its modern mineral name?

Respuesta :

jasonwade80 jasonwade80

06-11-2020

Answer:

a) this stone was first called Schorl stone

b)the first modern name for this mineral was Black tourmaline

Explanation:

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