Clear apophyllite crystals with pyramidal terminations from India.
Cream colored stilbite sheaf aggregates on apophyllite matrix from India.
Complete specimen of cream stilbite with transparent apophyllite from India.
Close-up of cream stilbite bowties on transparent apophyllite from India.
Cream stilbite cluster flanked by clear apophyllite crystals from India.
Pyramidal terminations of transparent colorless apophyllite crystals from India.
Translucent cream stilbite sheaf alongside sharp colorless apophyllite from India.
Full cluster of cream stilbite and clear apophyllite from India.

Apophyllite & Stilbite

Apophyllite – KCa4Si8O20(F,OH)·8H2O
Elements: Potassium, Calcium, Silicon, Oxygen, Fluorine, Hydrogen
Class: Silicates – Phyllosilicates
Crystal System: Tetragonal
Hardness: 4.5-5
Apatite
Talc (1)Diamond (10)
Softer than glass. A steel knife scratches it.
Stilbite-Ca – NaCa4(Si27Al9)O72·28H2O
Elements: Sodium, Calcium, Silicon, Aluminum, Oxygen, Hydrogen
Class: Silicates – Tectosilicates
Crystal System: Monoclinic
Hardness: 3.5-4
Fluorite
Talc (1)Diamond (10)
Softer than glass. A steel knife scratches it.
Origin: Jalgaon, Maharashtra – India

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