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The most useful physical properties for identifying minerals are?
The most useful physical properties for identifying minerals are color, luster, hardness, cleavage, fracture, streak, and specific gravity. These properties help geologists distinguish between different minerals based on their unique characteristics.
What is flint's cleavage?
Flint does not have cleavage because it is a microcrystalline form of quartz and does not exhibit cleavage like minerals with well-defined crystal structures. Flint tends to fracture conchoidally, producing smooth curved surfaces when broken.
Which property of a mineral most directly results from the internal arrangements of its atoms?
crystal shape
What type of crystal would CaCO3 form?
Calcium carbonate (CaCO3) would form a trigonal crystal system, commonly seen in minerals like calcite and aragonite. These crystals exhibit a rhombohedral shape with cleavage planes that intersect at oblique angles.
What is a physical characteristic determined by the arrangement of the atoms within the mineral?
Cleavage is a physical characteristic determined by the arrangement of atoms within a mineral. Cleavage describes how a mineral breaks along planes of weakness due to its atomic structure, creating smooth, flat surfaces. The number and orientation of these planes are unique to each mineral.
Does a mineral have crystal form but no cleavage?
All minerals have a crystal form, but not all have cleavage.
What is the Difference between a rock cleavage and a mineral cleavage?
The mineral cleavage is made up of many other particles to form a rock when the rock cleavage is just a rock.
True or false a mineral may have a crystal form but no cleavage?
True. A mineral can exhibit a distinct crystal form while lacking cleavage, which is the tendency to break along specific planes of weakness. For example, quartz has a well-defined crystal structure but does not exhibit cleavage; instead, it fractures conchoidally. This distinction highlights the complexities of mineral characteristics beyond just crystal form and cleavage.
Could a mineral have a crystal form but no cleavage?
Yes. Quartz can have very well-formed crystals but lacks cleavage.
The most useful physical properties for identifying minerals are?
The most useful physical properties for identifying minerals are color, luster, hardness, cleavage, fracture, streak, and specific gravity. These properties help geologists distinguish between different minerals based on their unique characteristics.
What are crystal form and cleavage?
Crystals come in different shapes, determined by how the molecules of compounds from which they are made can be packed together. For instance a quarts crystal is hexagonal in shape, while galena and pyrites crystals are cubic. There are six different crystal shapes or forms determined by the axes and degree of symmetry of the crystal and the angles at which the axes intersect. Subordinate to the overall crystal shapes, many crystalline substances have within them planes of weakness along which the crystal may break these lines are related to the crystals symmetry and caused by how the molecules are aligned within the crystal. This is cleavage.
What is obsidian's cleavage?
Obsidian does not have cleavage because of the way it forms. Obsidian is essentially nature's form of glass and so it has no regular or patterned crystal structure. Without that crystal structure, there is no cleavage.
What is flint's cleavage?
Flint does not have cleavage because it is a microcrystalline form of quartz and does not exhibit cleavage like minerals with well-defined crystal structures. Flint tends to fracture conchoidally, producing smooth curved surfaces when broken.
Why does cleavage occur?
Cleavage means to Split.Cleavage is most often used with the following 3 meanings:MITOSIS: a phase during Mitosis when cells split and multiplyGEOLOGY: The splitting of a complex crystal/mineral formation into a simpler oneINFORMAL USE: The viewable split between a woman's breasts
Which property of a mineral most directly results from the internal arrangements of its atoms?
crystal shape
What is the name for the overall three-dimensional solid structure that samples of such compounds form?
The overall three-dimensional solid structure that samples of compounds form is called a crystal lattice. This lattice structure is responsible for the properties of the crystal, such as its shape, cleavage, and density.
What type of mineral cleavage does cobalt have?
Cobalt typically exhibits a perfect cleavage in one direction, which can be observed in its mineral form known as cobaltite. This means that cobalt can break along smooth planes, reflecting its crystal structure. Cobalt's cleavage is one of the characteristics that help in identifying its mineral forms.
