Nandigam QUESTION 2 Select the choice that best describes the cleavage of this sample. The cleavages of an egg as an embryo develops.
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In your own words describe the following properties of minerals.
. Hardness of mineral refers to its resistance to scratching. Cleavage is the splitting of minerals along natural planes of weakness. Cleavage is the characteristic growth pattern or shape of a mineral.
These terms refer to the number of cleavage directions and the angle between the different cleavage directions Number of Cleavages and Their Directions Illustration of Cleavage Directions No cleavage fractures only None no. B three directions not at 90 c two directions at 90 d two directions not at 90 Solution. Bifurcation breakup dissolution Antonyms.
Color of mineral is the actual color of its physical appearance. Athree directions at 90. Name Figure 9 is a chart describing cleavage directions in terms of basal prismatic cubic rhombohedral octahedral and dodecahedral.
Bonds of equal strength in all directions. The act or process of a whole separating into two or more parts or pieces. What causes a lack of cleavage in some minerals.
This property is explained on Pages 75-78 of your lab manual o Present but poorly developed 3 directions of cleavage Absent o 2 directions of cleavage QUESTION 3 Which of the following is the best estimate of hardness value of this. - As per the animation where the place-mark is observed as a point. The act or process of a whole separating into two or more parts or pieces.
When we say streak it is the powder color of mineral rubbed in a scratching plate. Cleavage is the splitting of minerals along natural planes of weakness. During which of the following processes do homologous pairs of chromosomes align adjacent to one another at the metaphase plate of a cell.
Holoblastic total cleavage or meroblastic partial cleavage. The principal mineral used in making glass is. In placental mammals including humans where nourishment is provided by the mothers body the eggs have a very small amount of yolk and undergo holoblastic cleavage.
Cleavage describes the quality and amount of light reflected from a mineral surface. During which of the following phases of meiosis do centromeres split and sister chromatids migrate to opposite poles of the cell. Metaphase I of meiosis.
Cleavage can take place in two ways. Which of the following best describes galenas cleavage see animation in placemark. Which of the following best describes the term cleavage.
Cleavage describes a minerals resistance to abrasion. The type of cleavage depends on the amount of yolk in the eggs.
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