hackly-granular

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Native elements — ▪ Table Native elements name colour lustre Mohs hardness specific gravity habit or form allemontite tin white; reddish gray metallic 3–4 5.8–6.2 kidneylike masses amalgam gold amalgam yellowish metallic 15.5 lumps or grains moschellandsbergite… … Universalium
Nagyagite — from Nagyag (Săcărâmb), Romania (image width: 1.5 mm) General Category Sulfosalt mineral Chemica … Wikipedia
Borate minerals — ▪ Table Borate minerals name colour lustre Mohs hardness specific gravity boracite colourless or white vitreous 7–7½ 2.9–3.0 borax colourless to white; grayish, bluish, greenish vitreous to resinous 2–2½ 1.7 colemanite colourless; white,… … Universalium

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