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Calcite typically effervesces in acid, whereas halite and gypsum do not. Halite is salty to taste, while gypsum is softer and can be scratched with a fingernail. Also, halite forms cubic crystals, while gypsum forms tabular crystals.

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1y ago

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Which mineral are salts?

Common examples are: calcite, calcium carbonate, halite, sylvite, gypsum etc.


What three tests can you use to distinguish halite from colorless calcite?

Halite is sodium chloride and calcite is calcium carbonate so there are several differences between them:halite is soluble in water, calcite is not.calcite fizzes if you put acid on it, halite doesn'tcalcite forms trigonal crystals whereas halite is cubic


Three test you can use to distinguish halite from colorless calcite?

Halite is sodium chloride and calcite is calcium carbonate so there are several differences between them:halite is soluble in water, calcite is not.calcite fizzes if you put acid on it, halite doesn'tcalcite forms trigonal crystals whereas halite is cubic


How are halite and calcite alike?

Both calcite and halite are evaporate minerals.


How can tell when minerals is calcite or halite?

Halite will be easily soluble in water, calcite won't. Calcite has excellent rhombohedral cleavage, halite has excellent cubic cleavage. Halite will taste salty, calcite won't.


What are 8 examples of minerals?

Diamond, graphite, quartz, topaz, calcite, fluorite, dolomite, magnetite, hematite, pyrite...


What kind a of rock can be formed from evaporation?

Evaporites such as halite, gypsum, anhydrate and the evaporitic forms of carbonates such as calcite and dolomite which are all sedimentary rocks.


What mineral can halite scratch?

Halite can scratch gypsum.


Which mineral can form when a large pool of seawater slowly evaporates?

It will depend in what is in the water, in general it will be the solids that have been dissolved, but they will come out as crystals if evaporated slowly. in general it will be salt and/or limescale (calcium carbonate) as they are easily soluble


Why is calcite always found at the bottom of an evaporite?

Calcite is often found at the bottom of an evaporite deposit because it is less soluble in water compared to other evaporite minerals like halite or gypsum. As the water evaporates, these less soluble minerals tend to precipitate out first and settle at the bottom of the evaporite layer.


Can you explain why color is not a reliable method for identifying a mineral?

Colors are not a reliable method for identifying a mineral because different minerals can have the same color. Take Calcite, Halite and Gypsum for example. At first glance, all three of them appear to be the same mineral. All three of them even have the same streak and luster. However, they all have a different hardness. Calcite has a hardness of three, Halite has 2.5 and Gypsum has 2. Halite is made out of Sodium Chloride, but I wouldn't recommend tasting your mineral samples.


What mineral that can scratch gypsum but cant scratch calcite?

Between 2 and 3 because its hard enough gypsum but it can not scratch calcite because calcite is harder