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What is the most common member of the amphibole group?
The most common member of the amphibole group is hornblende. It is a complex inosilicate mineral that is typically dark green to black in color and has a good cleavage and prismatic habit. Hornblende is commonly found in a variety of igneous and metamorphic rocks.
What is the hardness of Amphibole on the Mohs scale of hardness?
The individual minerals in the Amphibole group are between 5-6 on the Mohs scale.
One way to test a mineral is to break it and see how many directions of what it has?
cleavage....
What is the cleavage of dolomite?
Dolomite typically exhibits three cleavage planes that intersect at approximately 90 degrees, resulting in rhombohedral cleavage.
Does galena have a cleavage or a fracture?
It has both. It's cleavage is perfect, and it's fracture is sub-conchoidal.
What physical property can be used to distinguish quartz from amphibole?
One physical property that can be used to distinguish quartz from amphibole is hardness. Quartz has a hardness of 7 on the Mohs scale, while amphibole minerals like hornblende have a hardness ranging from 5 to 6. Additionally, quartz typically has a glassy luster, while amphibole minerals have a dull to vitreous luster.
What is the most common member of the amphibole group?
The most common member of the amphibole group is hornblende. It is a complex inosilicate mineral that is typically dark green to black in color and has a good cleavage and prismatic habit. Hornblende is commonly found in a variety of igneous and metamorphic rocks.
What rock contains both amphibole and potassium feldspar?
Granite is a rock containing both amphibole and potassium feldspar.
What is the hardness of Amphibole on the Mohs scale of hardness?
The individual minerals in the Amphibole group are between 5-6 on the Mohs scale.
What is sulfurs cleavage cleavage?
Sulfur's cleavage is imperfect.
What is the harness of amphibole?
The harness of amphibole, a group of silicate minerals, typically ranges from 5 to 6 on the Mohs scale. This hardness indicates that amphibole is relatively hard and can scratch glass but can be scratched by harder materials. The specific hardness can vary slightly depending on the exact type of amphibole, as there are several different species within this mineral group.
What does hornblende look like?
Hornblende is a dark-colored mineral belonging to the amphibole group. It typically appears as long, black or dark green prismatic crystals with cleavage angles at nearly 60 or 120 degrees. It has a glassy to dull luster and can be found in a variety of igneous and metamorphic rocks.
Amphibole chemical formula?
The Amphibole chemical formula is Mg,Fe,Ca,Na)2-3(Mg,Fe,Al)5(Si,Al)8O22OH2.
One way to test a mineral is to break it and see how many directions of what it has?
cleavage....
Does garnet have cleavage or a fracture?
it has no cleavage
Cleavage of emeralds?
imperfect cleavage
Does garnet have cleavage or fracture?
it has no cleavage
