Which of these pairs of elements are NOT halogens ?
Arsenic Sulphur
Fluorine Iodine
Bromine Iodine
Chlorine Bromine
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A white colourless fluoride of sodium and aluminium used in the production of glass, enamel & Al. Is Chlorargyrite
Sylvite
Atacamite
Cryolite
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| Which fluorescent mineral consists of Calcium Fluoride in crystalline form ? Carnallite
Sylvite
Jarlite
Fluorspar
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Which of these minerals is a potassium chloride in mineral form ? Chlorargyrite
Sylvite
Atacamite
Halite
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| Which halide is known in the US as fluorite ? Carnallite
Sylvite
Atacamite
Fluorspar
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Which halide forms prismatic to tabular crystals and is a very dark green in colour ? Halite
Chlorargyrite
Atacamite
Cryolite
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| The group of halites consist of around how many mineral members ? 500
25
300
100
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Which mineral is sodium chloride in cubic crystalline form ? Chlorargyrite
Sylvite
Cryolite
Halite
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| Which of these minerals is a compound of Silver Chloride ? Cryolite
Chlorargyrite
Halite
Sylvite
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Blue John used for jewellry making & ornaments is a variety of which halide mineral ? Halite
Atacamite
Fluorspar
Diaboleite
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