Robust glass
Robust glass is a members item. No shop sells Robust glass and no monster drops it, so an Ironman makes it: it takes 61 Crafting and 77 Magic and gives 78 Magic XP, using 28 × Red sandstone, 10 × Air rune, 6 × Fire rune and 2 × Astral rune. There is one other recipe below.
MembersUntradeable
Updated . Sources from the RuneScape Wiki's drop, shop and recipe data (CC BY-NC-SA 3.0), checked 2026-10-09. Item sprite © Jagex.
Ironman verdict
Other sources include Smoky Fings, Showy Fings, Hitty Fings and Blingy Fings. Where the materials come from: Red sandstone (from Red sandstone (rock)); Air rune (sold by Betty's Magic Emporium for 17 coins); Fire rune (sold by Aubury's Rune Shop for 17 coins). Making ten takes 280 × Red sandstone, 100 × Air rune, 60 × Fire rune and 20 × Astral rune and gives 780 Magic XP. Reaching level 77 Magic takes 1,475,581 XP in total; the Magic calculator counts the actions and materials to any target, and the Magic guide has the Ironman training route. 2 recipes use Robust glass, including Ogre flask (empty) and Potion flask. Robust glass is members-only. It is untradeable, so every account, Ironman or not, gets it the same way.
At a glance
- Members
- Yes
- Tradeable
- No
- Monster drops
- None
- Shops
- None
- Recipes
- 2
- Used in
- 2 recipes
Make it yourself
Getting the materials as an Ironman
- Red sandstone: from Red sandstone (rock)
- Air rune: sold by Betty's Magic Emporium for 17 coins
- Fire rune: sold by Aubury's Rune Shop for 17 coins
- Astral rune: sold by Baba Yaga's Magic Shop for 220 coins
Other sources
Minigames, reward chests, clues, skilling and other non-combat sources.
What you make with Robust glass
Related items
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