Free software for cataloging mineral collections

See a different photo of this superb specimen

Pyrite & quartz, Huanzala mine, Peru, 61 mm, Carles Millan collection.

My Mineral Collection Catalog (MMCC)
(MMCC)

A free yet powerful program for cataloging mineral collections. It is a standalone application, so it has no dependencies (Access, Excel, SQL, etc.)

The result of over 20 years of thorough programming development

System requirements

Operating system: from Windows 7 to Windows 11
Type of computer: Desktop and Laptop
Screen resolution: at least 1280 x 1024
Some people run the app in macOS or Linux with VirtualBox, Parallels Desktop, VMware Fusion, Wine or CrossOver

Screenshot samples

Click to enlarge

(the data shown in these screenshots is fictitious)

If still in doubt, the best you can do is download and test it. No ads, no fees, no donations; it's free for you to use, all future upgrades included

Installer download

Please note that upgrading your old version to the latest will keep your current database intact

Version 4.5.4 (English)

Version 4.5.4 (Catalan)

Please, don't be afraid to download and run the installer, despite some unpleasant and discouraging messages from Windows that don't make sense

MMCC latest full version: 4.5.4.25.05.04

A few interesting links

Mindat

The Mineralogical Record

FMF	Grup Mineralògic Català

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