Answer:
Zicrons
Explanation:
The oldest of the zircons in the study, which came from the Jack Hills of Western Australia, were around 4.3 billion years old—which means these nearly indestructible minerals formed when the Earth itself was in its infancy, only roughly 200 million years old.
Answer:
The word is supposed to be in the bubbles right? I think it could be recycle? I might be wrong but give it a try.
Explanation:
Sorry if its wrong...
Answer:
d) cutting a larger crystal along four perfect cleavage planes, forming a cleavage fragment.
Explanation:
Fluorite Octahedron crystals are formed narutally, <em>but it's not common,</em> they can be found more commonly as cubes,<em> the majority of fluorite octahedron are formed when miners cit them along its natural cleave lines. </em>
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