IMA mineral species

Laphamite

🪶 Soft, Scratches Easily

As₂(Se,S)₃

Sulfide mineral.

Laphamite specimen — Laphamite over Hieratite.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness1 – 2

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💅🪙🍶🔪💎

Scratches with a fingernail.

🔷 Monoclinic✏️ streak red-orange

Chemical formula	As₂(Se,S)₃
Elements	As, Se, S
Crystal system	Monoclinic
Mohs hardness	1 – 2
Density	—
Streak	red-orange
Color	dark red
IMA symbol	Lpm
Nickel–Strunz class	2.FA.30

“—” means no reliable value in Wikidata yet. Check Mindat for full data.

Care & Handling

🪶 Soft, Scratches Easily Mohs 1 – 2: softer than a steel knife, so it scratches easily. Store it apart from harder stones.

Learn more

Laphamite on Mindat.org
Wikidata item Q3826990 (source of this page's data – you can correct it there)