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If a mineral has no streak is it metallic?
When identifying minerals, having no streak is a property of hardness. A streak plate has a hardness of ~7(Moh's Scale). Thus any mineral having a hardness greater than 7 will have no streak.Metallic is the description of luster. Or the general appearance of a mineral surface in reflected light.If you were refering to the mineral having metal elements in it, streak is actually very useful for identifying them. Many minerals that are composed of non-metals have a white streak which can appear to be no streak, however there are also many minerals with no streak which are composed of non-metallic minerals (Diamond).
Describe what would happen if you rubbed a mineral with a mohs hardness value of 7 against a mineral with a value of 5?
The mineral with a Mohs hardness value of 7 (such as quartz) would scratch the mineral with a value of 5 (such as apatite). This is because a mineral can scratch any other mineral with a lower Mohs hardness value.
How can you tell if a mineral can scratch another mineral?
You can tell if a mineral can scratch another mineral by performing a scratch test, where you use the hardness scale to compare the minerals. If the mineral you are testing can scratch the other mineral, then it has a higher hardness on the scale.
What is the hardness of a porcelain streak plate?
Porcelain has a Mohs hardness of approximately 6-7, making it a relatively hard material. This hardness allows porcelain to be used as a streak plate in mineral testing to determine the color of a mineral's powder when scratched against it.
What is the hardness of an unknown mineral that scratches glass but will not scratch quartz?
The unknown mineral would have a hardness greater than 5.5 (the hardness of glass) but less than 7 (the hardness of quartz). Based on the Mohs Hardness Scale, the unknown mineral would likely have a hardness between 6 and 7.
What mineral of hardness of 7?
the mineral that has a hardness of 7 is "Quarts
How do you streak a color of mineral?
You need a streak plate. A simple white unglazed kitchen tile will work for most common minerals. The tile has a hardness level of 7. Mineral streaking just requires a swipe across the plate color will help you determine the mineral and its hardness level.
What is the property of 1 times 7 equals 7?
identity. one is the identity multiplier
How many mineral need a day?
7 different of mineral
What is a streak plate on the mohs scale?
A streak plate on the Mohs scale is a piece of unglazed porcelain used to determine the color of a mineral in powdered form. By rubbing the mineral against the streak plate, it leaves a streak that can be compared to the standard colors on the scale to identify the mineral.
What is hardness of quartz mineral?
the mineral that has a hardness of 7 is "Quarts
Is crystal systems a part of the 7 properties of a mineral?
Yes, the crystal system a mineral belongs to is a property of a mineral.
How many ways can 5 bikes fit in a 7 place bike rack?
To determine how many ways 5 bikes can fit in a 7-place bike rack, we can use the concept of combinations followed by permutations. First, we choose 5 places from the 7 available, which can be done in ( \binom{7}{5} = 21 ) ways. Then, the 5 bikes can be arranged in those 5 selected places in ( 5! = 120 ) different ways. Thus, the total number of ways to fit the bikes is ( 21 \times 120 = 2520 ).
Which property tells you that 7 times 1 equals 7?
The property of 1 as the multiplicative identity.
How many ways can 2student council members be elected from 7 candidates?
To determine the number of ways to elect 2 student council members from 7 candidates, you can use the combination formula ( C(n, k) = \frac{n!}{k!(n-k)!} ). Here, ( n = 7 ) and ( k = 2 ). So, ( C(7, 2) = \frac{7!}{2!(7-2)!} = \frac{7 \times 6}{2 \times 1} = 21 ). Thus, there are 21 different ways to elect 2 members.
What is a 7 letter word for ore?
Mineral
What would happen if you rubbed a mineral with a Moh hardness value of 7 against a mineral with a value of 5?
The 7 would wear away the 5.
