Create Crystals with Crystalarium in Stardew

Stardew Valley's Crystalarium: A Guide to Gemstone Farming

Stardew Valley offers more than just farming; players can amass wealth through various means, including gemstone mining. While mining for rare gems can be time-consuming, the Crystalarium provides a solution for efficient gemstone production. This guide details how to obtain and utilize this valuable tool, considering updates in version 1.6.

Obtaining a Crystalarium

To craft a Crystalarium, players need level 9 Mining skill. The required materials are:

• 99 Stone: Easily found by breaking rocks on your farm or in the Mines.
• 5 Gold Bars: Smelt Gold Ore (found at mine levels 80 and below) using Coal in a Furnace.
• 2 Iridium Bars: Mine Iridium in Skull Cavern or obtain it daily from the Statue of Perfection (then smelt).
• 1 Battery Pack: Obtained by placing a Lightning Rod outside during a thunderstorm.

Alternatively, players can acquire a Crystalarium by:

• Completing the 25,000g Community Center bundle in the Vault.
• Donating at least 50 minerals (gemstones or geodes) to the Museum.

Using the Crystalarium

Place your Crystalarium anywhere – indoors or outdoors. The Quarry is a popular location for mass production.

The Crystalarium replicates any gemstone or mineral (except Prismatic Shards). Quartz has the shortest growth time but low value. Diamonds offer the highest profit, despite a 5-day growth period.

To relocate a Crystalarium, hit it with an axe or pickaxe. Any gem currently being replicated will drop. To change the gem type, simply interact with the Crystalarium while holding the desired gem; the current gem will be ejected.

Profit and Gifting

By utilizing the Crystalarium, players can significantly increase their gemstone yield and profits. Diamonds, in particular, are valuable for both profit and as highly appreciated gifts for Pelican Town's villagers.