perfect
The plural of topaz is topazes.
Topazes are relatively common gemstones and can be found in different parts of the world. However, the availability of topazes in large sizes or high quality may be more limited. Topazes can vary in color, with blue and yellow being the most popular varieties.
topazes
Sulfur's cleavage is imperfect.
cleavage....
it has no cleavage
imperfect cleavage
it has no cleavage
What cleavage does pyrite have
cleavage
Because the sun absorbs all colors in the topaz except blue, which it reflects.
No it has cleavage and it's cleavage is "absent".