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(mineralogy) Synonym of siderite.

Pale yellow to tan, grey, brown, green, red, black and sometimes nearly colorless – Tabular crystals, often curved; botryoidal to massive – Lamellar uncommon on{01̅12} – Perfect on {01̅11} – Uneven to conchoidal – Brittle – 3.75–4.25 – Vitreous, may be silky to pearly – White – Translucent to subtranslucent – 3.96 – Uniaxial (−) – Nω = 1.875 – Nε = 1.633 – Δ = 0.242 – Strong.

(mineralogy) Synonym of siderite.

Siderite from Redruth, Cornwall, England

(mineralogy) Synonym of siderite.

Siderite crystals with galena and quartz. Size: 6.2 cm × 4.1 cm × 3.6 cm (2.4 in × 1.6 in × 1.4 in)