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Levart [38]
3 years ago
13

Calcite and quartz are minerals. What properties do they have in common? How do they differ?

Geography
1 answer:
statuscvo [17]3 years ago
7 0

Answer and Explanation:

Similarities between calcite and quartz

  • They are both minerals.
  • Although not often, they can both exhibit hexagonal and pyramidal shapes.
  • Both are abundant on Earth.

Differences between calcite and quartz

  • The property of hardness: Calcite is much less harder than quartz, while the latter is over three times harder than calcite.
  • Their chemical composition: Although they are both minerals, their chemical composition significantly differs. Calcite is made from calcium carbonate while quartz is made from silicon dioxide.
  • Their shape: The shape is one of the easiest way to identify minerals as you normally don't need to perform an experiment as the case of chemical composition differences. Quartz minerals usually exhibit hexagonal shapes while calcite minerals usually exhibit rhombohedron shapes.
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melomori [17]

Answer:

1.bd=~ed given

2.CD=~fd given

3.<bdc=<edf

4.triangle BCD=~triangle def by s.s.a.axiom

5.BC=~ef the corresponding side of congruent triangle are equal

Explanation:

in triangle qrs &rst

  1. rs=~rs common side
  2. qr=~st midpoint bisect that side
  3. <qsr=<rst midpoint bisect that angle

4.traingle qrs =~rst by s.s.a.axiom

5.<rqs=<rts since the corresponding angle of congruent triangle are equal

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gizmo_the_mogwai [7]

Answer:

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8 0
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shtirl [24]

Answer:

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land water, which causes the soil under to become softer and is able to become more and more compact and able to turn to petrified soil or even rock.  

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