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How are mineral fracture and mineral cleavage different?
Cleavage in minerals is the tendency of the mineral to break across a definite plane, creating a smooth surface. Two minerals with cleavage are granite and shale.
Explain how to identify a mineral using color luster streak hardness cleavage fracture?
Luster is the light reflection a mineral has, which can be broken down into categories like metallic, silky, and dull. The luster dictates what type of mineral it is.
Is a mineral soft?
No, a mineral is a hard substance
Which describes talc A. a very soft mineral B. a very hard mineral C. a mineral also known as pyrite D. a rock made of calcite and salt B. a very hard mineral C?
Very soft mineral
What mineral is a hard abrasive?
Corundum - Crystalline Aluminium Oxide (Al2O3) is a mineral that is hard (9.0 on Mohs scale) and used as an abrasive.
Is beryl a mineral or rock?
Beryl can be found in alluvial deposits from erosion out of pegmatite veins. This is the easy way, sorting through sand and gravel. The hard way is to attack the granitic pegmatite with tools and see what's inside.
What Hard crystalline mineral forms emerald?
GeneralCategory Beryl variety Chemical formula Beryllium aluminum silicate with chromium, Be3Al2(SiO3)6::CrIdentificationColor Green Crystal habit Hexagonal Crystals Crystal system Hexagonal Cleavage Poor Basal Cleavage (Seldom Visible) Fracture Conchoidal Mohs Scale hardness 7.5 - 8.0 Luster Vitreous Refractive index 1.576 - 1.582 Pleochroism Distinct, Blue-Green/Yellow-Green Streak White Specific gravity 2.70 - 2.78AnswerThe mineral is Beryl.
What do cleavage and streak have in common?
Cleavage and streak are both properties used to identify minerals. Cleavage refers to the way a mineral breaks along planes of weakness, while the streak is the color of the powdered form of a mineral when rubbed against a hard surface. Both characteristics are important in mineral identification and classification.
How are mineral fracture and mineral cleavage different?
Cleavage in minerals is the tendency of the mineral to break across a definite plane, creating a smooth surface. Two minerals with cleavage are granite and shale.
What kind of a mineral is beryl?
Beryl is an abbreviation of Beryllium. Beryl is a shiny gray, hard and brittle alloy, it has a relatively high melting point and is very stable in air. The chemical resistance of the metal is that it will react on the surface with the oxygen, it is largely retained in gloss. When heated it can be deformed and stretch. Beryllium or Beryl acts as a superconductor. Beryl is similar to aluminum.
What type of rock is an emerald?
Emerald is a form of the mineral beryl. It is typically found in metamorphic or igneous rocks, such as mica schist or granite. The green color of emerald comes from trace amounts of chromium or vanadium in the crystal structure.
Explain how to identify a mineral using color luster streak hardness cleavage fracture?
Luster is the light reflection a mineral has, which can be broken down into categories like metallic, silky, and dull. The luster dictates what type of mineral it is.
What is a six sided mineral crystal a very hard mineral called?
A six-sided mineral crystal that is very hard is typically referred to as a hexagonal crystal. One common example of a hard mineral with this crystal structure is quartz, which has a hardness of 7 on the Mohs scale. Another example is beryl, which includes varieties like emerald and aquamarine. These minerals are characterized by their distinct six-sided (hexagonal) symmetry and exceptional durability.
What cleavage does the pyrite have?
the cleavage for pyrite is cubic
What is the difference between a quartz and calcite minerals?
The major differences between quartz and calcite are hardness and cleavage. Quartz is about twice as hard as calcite. Quartz has little or at least very seldom any sort of obvious cleavage, whereas calcite has excellent and very obvious rhombohedral cleavage.
Which mineral shows no cleavage has a hardness of 7 and a composition of SiO2?
The mineral you are describing is quartz. Quartz has a hardness of 7 on the Mohs scale, meaning it is quite hard, and it does not exhibit cleavage, instead breaking with a conchoidal fracture. Its chemical composition is silicon dioxide (SiO2). Quartz is one of the most abundant minerals in the Earth's crust and is commonly found in various geological environments.
Is it true if you put an aquamarine stone in water it will disappear?
No, an aquamarine stone will not disappear if placed in water. Aquamarine is a type of beryl mineral, which is a hard and durable gemstone. It will not dissolve in water or disappear.
