The particle material is already set to alpha blended, with a light gray tint color. I’ve tried fiddling with every in the particle system, but to no avail. It would be great if someone could shed some light on the matter Thank you!
Are the particles close to the floor? If so try lifting them up off the floor a little. This would mean there’s an issue with depth due to the camera settings (near/far plane) and the object being too close to another object (the floor).