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Halite

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HAN690718

Halite

Fluorescent

Description Tabs

Description
Locality: 
Pepita Mine, Alcanadre, La Rioja, Argentina
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
9.87 × 13 × 5.4 cm
Weight: 
371.00gr
Description

Fluorescent Halite Crystals "Rock Salt" on matrix 
Photos in UV SW and natural light 
Halite commonly known as rock salt, is a type of salt, the mineral form of sodium chloride (NaCl). Halite forms isometric crystals. The mineral is typically colorless or white, but may also be light blue, dark blue, purple, pink, red, orange, yellow or gray depending on the amount and type of impurities. It fluoresces a very beautiful bright orange color under short wave Ultraviolet light. Under long wave Ultraviolet light, Halite crystals show little to no fluorescence.The bright red fluorescence of some halite from California dry lake deposits and from a salt spring in Idaho is due to coactivation by minute amounts of manganese and lead. Neither manganese nor lead alone activates the red fluorescence. Chemical, spectrographic, and synthetic experiments identify manganese and lead as coactivators Activator for red: Mn2+ with Pb as co-activator. Color (more orange or more red depends of Mn concentration). Halite commonly occurs with other evaporite deposit minerals such as several of the sulfates, halides, and borates. The name halite is derived from the Ancient Greek word for salt.

Mineral Data
What's on the rock

Halite

Formula: 
NaCl
Strunz: 
3.AA.20
Crystal System: 
Isometric
Hardness: 
2.5
Streak: 
White
Not Sold

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After a sale we expect to receive the payment with Pay Pal within 48 hours. You can return the goods within 14 days of receiving them by registered priority mail with tracking number. Buyer pays the costs of the shipping and the e-Rocks listing  fees.

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