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Calcite is the mineral that has a hardness of 3 on the Mohs scale and reacts with dilute hydrochloric acid, producing effervescence or bubbling. This reaction occurs due to the release of carbon dioxide gas when the acid interacts with calcite's calcium carbonate composition. It is commonly found in sedimentary rocks and can appear in various forms, including crystalline and granular.
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What will scratch serpentine and what does not scratch it?
The Mohs hardness of serpentine is 2,5-3; it a soft mineral. Not scrached by a graphite pen; scratched by fingernail, copper etc.
Which mineral is harder pyrite or bornite?
Pyrite is harder than bornite. Pyrite has a hardness of 6 to 6.5 on the Mohs scale, while bornite has a hardness of about 3 to 3.5. This makes pyrite significantly more resistant to scratching and abrasion compared to bornite.
When you drag a piece of calcite across an unglazed porcelain plate itleaves behind a white line. what mineral characteristic does this relate to?
The white line left behind when dragging calcite across an unglazed porcelain plate relates to the mineral's hardness and its ability to leave a streak. This characteristic is often used in mineral identification, where the streak color can help distinguish between different minerals. Calcite has a hardness of 3 on the Mohs scale, allowing it to produce a visible streak on the porcelain surface.
What are the features that a mineral must have in order to be a mineral?
a mineral needs to have color,luster,hardness,streack to be a mineral
What mineral characteristics are represented by NaCI?
NaCl, or sodium chloride, exhibits several key mineral characteristics. It has a crystalline structure, typically forming cubic crystals, and is soluble in water. NaCl is also characterized by its distinctive salty taste and is commonly found in nature as the mineral halite. Additionally, it has a relatively low hardness on the Mohs scale, typically rated at 2.5 to 3.
What will if you rub a mineral with the hardness of 3 with a mineral with a hardness of 9?
The mineral with hardness 3 will get scratched.
Mineral specimen with a Mohs hardness of 5 can scratch a mineral specimen with a hardness of 3?
Correct, a 5 hardness can scratch a 5 and below.
What mineral has a hardness of 2.5-3?
Calcite is a mineral that is white or colorless and has a hardness of 2.5 and splits with cubic cleavage.
How can you check if a rock is calcite?
Calcite reacts to acid. The best thing to do to determine if a mineral is calcite is to place a drop of dilute hydrochloric acid on a sample. If the mineral fizzes and carbon dioxide bubbles are produced, the mineral is calcite. Place a drop of dilute hydrochloric acid on the mineral. If it fizzes and carbon dioxide bubbles are produced, the mineral is calcite.
What is the hardness of biotite mica?
Biotite mica has a Mohs hardness of 2.5-3.0.
What is the mineral hardness for wulfenite?
Wulfenite has a mineral hardness of 3-3.5 on the Mohs scale, which means it is relatively soft and can be easily scratched by harder materials.
What is the mineral hardness of marble?
Marble isn't a mineral, but it is made out of around 100% calcite, which is typically 2.5 - 3 on Moh's hardness scale.
If a mineral scratches calcite but is scratched by apatite what is the minerals hardness?
Somewhere between 3 and 5 on the Mohs scale of relative mineral hardness...
What mineral is harder than gypsum but softer than flourite?
Calcite is a mineral that is harder than gypsum but softer than fluorite on the Mohs scale of mineral hardness. Calcite has a hardness of 3, while gypsum has a hardness of 2 and fluorite has a hardness of 4.
What is Bauxite's hardness?
Bauxite, a rock and the main ore of aluminum, does not have a number on the Mohs scale of relative mineral hardness because it is not a mineral, but a combination of minerals.
What hardness does a mineral have if its scratched by glass?
Somewhere between 3 and 5 on the Mohs scale of relative mineral hardness...
What is the hardnessof a mineral that scratches the gypsum but can't scratch fluorite?
Between 2 and 4. Calcite, which has a hardness of 3, is one example.
