[2] The mineral is named after Howard James Winch, who was the one discovered it in Madhya Pradesh, India.

[3] Sir Lewis Fermor was the one who named the mineral.

[3] Winchite has a chemical composition similar to tremolite.

[7] It has been found on the south eastern part of Anglesey.

[2] It has been found in Kajlidongri mine located in India as well at Ward creek in California.