SUBNAUTICA / RESOURCES

Ruby

A valuable crystal used in higher-level equipment and intermediate materials.

QUICK REFERENCEFirst SubnauticaReviewed 2026-10-28Reference / noindex

OVERVIEW

Understanding Ruby

A valuable crystal used in higher-level equipment and intermediate materials.

This is an original reference for the first Subnautica. Your current depth rating, oxygen, available tools and navigation route determine when an objective is practical. Follow actual in-game PDA and Fabricator information for any values that vary by version.

PRACTICAL APPROACH

How to use this information

Look in deeper regions after you have safe access.

COMMON MISTAKES

What to avoid

Do not attempt a high-risk dive with just one oxygen tank for a single crystal.

CONTINUE ON VOLPEDIA

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Back to Resources

Independent Volpedia editorial encyclopedia about the first Subnautica, reviewed 2026-10-28. Unaffiliated with Unknown Worlds Entertainment. Category illustrations are original diagrams, not in-game maps, screenshots or exact creature portraits. No fabricated damage statistics, spawn probabilities or detailed map coordinates. References are documented privately and not shown as outbound research buttons.