Every glossy ceramic glaze is actually a base transparent with added opacifiers and colorants. So understand how to make a good transparent, then build other glazes on it.
Matte Transparent - Mayco
Spectrum 1100 Transparent – Mighty Mud Mixer
Duncan Satin Glazes (Clear) 4 pcs sku# 1839001MA
C) Celadon : High Fire Glazes : Glazes & Underglazes
The transparent, clear glazes are based on frit without any lead content. They show high chemical resistance, are food safe and are suitable for
Transparent Glaze (800-900°C) Colorless Clear Earthenware Ceramic Degussa
M370
Cloudy clear glaze - can refiring help it be more transparent? : r/Pottery
Translucent Glazes, Ceramic & Pottery Glaze
Low Fire Clear Glaze-Brushing, Clear Glazes
Clear Acrylic Glazes-1500558
The Best Cone 6 Glossy Clear Glaze Recipe — The Studio Manager
Scarva GZ2150 Zinc Free Multi-Purpose Leadless Stoneware Transparent
Transparent white glaze hi-res stock photography and images - Page 12 - Alamy