Tourmaline - schorl

Tourmaline - schorl

71 / $80

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Cluster of perfectly finished tourmalines covered with tiny heulandite crystals.

Formula:

Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)

Dimensions:6 × 3.5 × 3.5 cm
Country:

Locality:

Erongo

Color:

Group:,
Zodiac:,
Categories: Silicates, Tourmaline, Libra,

Description

Tourmaline is a very complex borosilicate series of elements, mostly Na, Li, Al, Fe, Mg and Ca. The name comes from Singhalese turamali – multicolored. The early history of the schorl shows that the name “Schorl” was in use prior to the year 1400 because a village known today as Zschorlau (in Saxony, Germany) was then named “Schorl” (or minor variants of this name). Trigonal crystal system.

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Additional information

Formula:

Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)

Dimensions:6 × 3.5 × 3.5 cm
Country:

Locality:

Erongo

Color:

Group:,
Zodiac:,
Categories: Silicates, Tourmaline, Libra,
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