geraldarmstrong48: Gmelinite & Natrolite (No. 1618-12112016)
geraldarmstrong48: Nacrite (No. 3601-04022016)
geraldarmstrong48: Natrolite (No 8404-08112016)
geraldarmstrong48: Natrolite (No. 3621-04022016)
geraldarmstrong48: Natrolite (No. 4036-04242016)
geraldarmstrong48: Natrolite (No 3897-07192018)
geraldarmstrong48: Natrouranospinite (No. 3253-08062017)
geraldarmstrong48: Natrouranospinite (Sodium-Uranospinite) (No. 3440-10062017)
geraldarmstrong48: Natrozippeite (No. 2460-04152017)
geraldarmstrong48: Naujakasite (No. 2521-04242017)
geraldarmstrong48: Neotocite (No. 1552-12102016)
geraldarmstrong48: Nephrite Jade (No. 8583-07142014)
geraldarmstrong48: Neptunite Djurleite & Benitoite (No. 1499-11182016)
geraldarmstrong48: Niobophyllite (No 4281-08202018)
geraldarmstrong48: Nontronite (No. 3499-03312016)
geraldarmstrong48: Normandite (No 3833-06122018)
geraldarmstrong48: Nováčekite-I, Barite & Hematite (No. 3006-06212017)#020
geraldarmstrong48: Nováčekite-II (No. 2979-06122017)
geraldarmstrong48: Pseudoleucite (No 3951-07312018)
geraldarmstrong48: Zeunerite & Nováčekite-I (No. 3018-06232017)#025