Halite is sodium chloride and calcite is calcium carbonate so there are several differences between them:
irregular shapes of metals
iron level tests, total iron-binding capacity (TIBC) tests, ferritin tests, and transferrin tests.
A complete medical history, physical, neurological exam, electrical tests, blood and urine tests, challenge tests and genetic tests.
Real Gold is hard to distinguish from its fake counterpart, unless you are very perceptive. Real gold can only be determined under a magnification lens, and or with chemical tests. Real gold, sometimes, looks more dull and less "beautiful" than fools gold. BUT this isn't always the case.
what are the biochemical tests for ascomycetes fungi?
distillation, precipitation, transpiration
The tests you can do is the streak test, the luster test,the finger nail test(which is scratching it ti see if its hard or not).
She could easily distinguish her sister's laughter from the rest of the crowd.
There are many different tests that can be used to identify different metals. Using a magnet is a popular test to distinguish metals.
bromine water
To distinguish between pericarditis and a heart attack.
with water ethanol is soluble while methane is in soluble
irregular shapes of metals
Quartz would scratch the calcite. Calcite would not scratch the quartz. Calcite will react with dilute hydrochloric acid. Quartz will not. Calcite will exhibit double refraction. Quartz will not. If the crystal forms are intact, quartz crystal may appear six sided with pyramidal terminations. If they are of equal size, the quartz will be heavier.
melting point will definitely distinguish them since the melting point of acetaminophen is about 169 - 172 and ibuprofen is 75-78. You can also do an NMR spectroscopy and count the number of protons that you see.
Two tests that are commonly used to distinguish conductive hearing loss from sensorineural are Rinne's test and Weber's test.
PCR testing should be used to distinguish between M.tuberculosis from other atypical non tuberculous mycobacteria.