pectolite محطم

Pectolite - Wikipedia

Pectolite is a white to gray mineral, NaCa2Si3O8(OH), sodium calcium hydroxide inosilicate. It crystallizes in the triclinic system typically occurring in radiated or fibrous crystalline masses. It has a Mohs hardness of 4.5 to 5 and a specific gravity of 2.7 to 2.9. The gemstone variety, larimar, is a pale to sky blue. There is also a whitish form of the mineral from Alaska that is sometimes marketed as

Pectolite: Mineral information, data and localities.

Pectolite. Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada. Hide all sections Show all sections. About Pectolite Hide. Formula:

Thermodynamic Properties of Pectolite Geochemistry International

2023年4月20日 — Pectolite, HNaCa 2 Si 3 O 9, is a common chain silicate, which is found as one of the dominant minerals of nepheline syenites, as well as in hydrothermal cavities in

Pectolite - Photo Gallery - mindat

A very rare form of pectolite from this well-known extinct gabbro-diabase quarry, now on the site of a nature reserve where collecting is strictly prohibited (MINDAT). Densely

Pectolite Mineral Data

Pectolite Sugilite. Comments: Sharp terminated purple crystals of sugilite to 5mm on white, acicular pectolite. Location: Wessels Mine, Kalahari, South Africa. Scale: Picture size 1.5

16.52: Pectolite - Geosciences LibreTexts

Occurs in cavities in basalts and diabases as a result of hydrothermal action. The Larimar variety of pectolite occurs in a basalt formation about 5km west of Baoruco, Dominican

Pectolite Properties, Formation, Uses» Gemstone - Geology Science

2024年7月1日 — Pectolite is a mineral that belongs to the silicate group. Its chemical formula is NaCa2Si3O8 (OH), indicating that it consists of sodium (Na), calcium (Ca), silicon (Si),

Pectolite NaCa2Si3O8(OH)

A hydrothermal mineral in cavities in basalts and diabases; in serpentinites and peridotites; from metamorphosed high-calcium rocks. Association: Zeolites, datolite, prehnite.

Pectolite - The Gemology Project

2007年1月19日 — The Larimar variety of pectolite occurs in a basalt formation about 5km west of Baoruco, Dominican Republic; the pectolite was first discovered in 1974 as

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