Domain Arrivals
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Featured in Domain Arrivals · 2026-08-13

Mineral Factbook, an unusually deep field guide for mineral species

mineralfactbook.com ↗ · Useful Tools · score 82.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

An open mineral reference covering physical properties, crystallography, identification, classification, and calculated powder XRD patterns.

Why it surfaced

The homepage offers an A–Z index of 800 species and separates formal minerals from familiar names such as agate, jade, and fool's gold. It also says its data comes from public-domain and open-licensed sources, with citations attached to individual values.

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Thirty Patents for the Grave

August 13’s newborn domains include 30 safety-coffin patents, lost notices for false teeth and a box of hair, short films playing in 100 Tokyo taxis, and a Queensland river view arranged gauge by gauge downstream.

This is one of 1,000 discoveries in the 2026-08-13 Domain Arrivals issue.

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