Which of the following is a non-silicate mineral?

Answer: Option B

Calcite is one of the non-silicate mineral.
Non-silicate minerals are minerals that are not composed of silicate groups. These minerals may contain oxygen atoms but not in combination with silicon. Nonsilicate minerals are less complex than silicate minerals.
Non-silicate minerals are organized into six major groups based on their chemical compositions these are carbonates, halides, native elements, oxides, sulphates and suphides.