1. A mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds
   - sylvite

Derived forms: sylvines

Type of: mineral

• genus Holbrookia
• genus Holcus
• genus Holocentrus
• genus Holothuria
• genus Homarus
• genus Homo
• genus Homogyne
• genus Homona
• genus Hordeum
• genus Horneophyton
• genus Hosta
• genus Hottonia
• genus Houttuynia
• genus Hovea
• genus Hoya
• genus Hudsonia
• genus Hugueninia
• genus Hulsea
• genus Humulus
• genus Hunnemania
• genus Hyacinthoides
• genus Hyacinthus
• genus Hyaena
• genus Hyalophora
• genus Hyalosperma