Mineral collector
Oyuun Batbayar
I’m Oyuun. I collect minerals, learn what they are and share what I find. Watch my finds, get my collector’s guide, or shop my merch.
Latest videos
Field trips, finds and identification tips.
Nov 5, 2026 · 12 min
A field trip to the dunes
Rocks and crystals found in one day.
Nov 4, 2026 · 8 min
Sorting rough specimens
How I lay out and label a new haul.
Nov 3, 2026 · 9 min
Reading a mineral guide sheet
Find a name from five simple clues.
Downloads and courses
Shop
Download as soon as you pay. Yours to keep.
- SpreadsheetCollection tracker
- PDFHardness and streak chart
- PDFSpecimen label sheets
- PDF guideCleaning and care guide
- PDFRock fair checklist
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