Answer:
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Explanation:
<span>What is it?
Sacred geometry is a belief that inside specific forms and shapes it is possible to access spiritual levels of consciousness and elevate the spirit. Sacred geometry was used as a tool to help men and women experienced the divine element through the use of specific shape and forms that could be replicated in architectural elements.
where did it originate?
There was not a single place that used Sacred geometry, however, it is possible to find examples of such uses already in the Egypt culture, as well as the Celtic culture and even cultures from Asia and America. It is pretty common in the history of man to use such tools in different ways. Some elements of Gothic Cathedral uses sacred geometry.
How?
Mostly the use of sacred geometry was in rituals. By walking through a labyrinth, for example, just like in Chartres, it was believed that the spirit could elevate from the flesh. Or also in the way some buildings were constructed, just by enter in the buildings, some claims to feel different from before, as the construction itself is a tool towards illumination.
Where was it used?
</span>The use was different, but the most known use of sacred geometry is in building constructions and architecture, mostly sacred like temple and church. It is also possible to find examples of sacred geometry in some theoretical studies - Pitagora used to believe in sacred geometry, just to name one thinker of the past.
The Puerto Habana restaurant and Sister Mary Joseph's basement cafe (apex)
Answer:
Mohs hardness, rough measure of the resistance of a smooth surface to scratching or abrasion, expressed in terms of a scale devised (1812) by the German mineralogist Friedrich Mohs. The Mohs hardness of a mineral is determined by observing whether its surface is scratched by a substance of known or defined hardness.
Related Topics: hardness
To give numerical values to this physical property, minerals are ranked along the Mohs scale, which is composed of 10 minerals that have been given arbitrary hardness values. The minerals contained in the scale are shown in the Table; also shown are other materials that approximate the hardness of some of the minerals. As is indicated by the ranking in the scale, if a mineral is scratched by orthoclase but not by apatite, its Mohs hardness is between 5 and 6. In the determination procedure it is necessary to be certain that a scratch is actually made and not just a “chalk” mark that will rub off. If the species being tested is fine-grained, friable, or pulverulent, the test may only loosen grains without testing individual mineral surfaces; thus, certain textures or aggregate forms may hinder or prevent a true hardness determination. For this reason the Mohs test, while greatly facilitating the identification of minerals in the field, is not suitable for accurately gauging the hardness of industrial materials such as steel or ceramics. (For these materials a more precise measure is to be found in the Vickers hardness or Knoop hardness) Another disadvantage of the Mohs scale is that it is not linear; that is, each increment of one in the scale does not indicate a proportional increase in hardness. For instance, the progression from calcite to fluorite (from 3 to 4 on the Mohs scale) reflects an increase in hardness of approximately 25 percent; the progression from corundum to diamond, on the other hand (9 to 10 on the Mohs scale), reflects a hardness increase of more than 300 percent.
