Libethenite - Wikipedia
Libethenite is a rare copper phosphate hydroxide mineral. It forms striking, dark green orthorhombic crystals. It was discovered in 1823 in Ľubietová, Slovakia and is named after the German name of that locality (Libethen).
Libethenite: Mineral information, data and localities. - mindat.org
Formula: Cu2(PO4) (OH) Colour: Light to dark green, blackish green, olive-green; bluish green to light green in transmitted light. Lustre: Sub-Vitreous, Resinous, Waxy, Greasy. Hardness: 4. Specific Gravity: 3.97. Crystal System: Orthorhombic. Member of: Olivenite Group. Name:
Libethenite | Geology Page
2014年5月25日 · Libethenite is a rare copper phosphate hydroxide mineral. It forms striking, dark green orthorhombic crystals. It was discovered in 1823 in Ľubietová, Slovakia and is named after the German name of that locality (Libethen).
Libethenite Mineral Data
Libethenite. Comments: Dark to light green pseudo-octahedral crystals of libethenite to 1.5mm on matrix. Location: KOV pit, Kolwezi, Katanga, Congo. Scale: Picture size 5 mm. © Tom Loomis / Dakota Matrix
LIBETHENITE (Copper Phosphate Hydroxide) - Amethyst Galleries
These are some of the better available crystals of Libethenite, a rare copper phosphate. They are miniscule, not reaching more than 1/16 inch in diameter, and are dark green. The well-defined pseudotetragonal crystals have clean surfaces and edges, with a sparkly, vitreous luster.
Libethenite mineral information and data - Dakota Matrix
Beautiful, lustrous green, pseudo-octahedral crystals to 1mm liberally spread across the vuggy Quartz matrix. Some of the Libethenite is coated with bluish green beaded Cornubite. Pseudomalachite also coats a bit of the Quartz.
Libethenite - MIX18-87 - Phoenix United Mine - UK Mineral …
5 天之前 · An unusually sharp, textbook-shaped, large and well-developed libethenite crystal on a vuggy quartz matrix from this old 1800s locality. This large, terminated orthorhombic crystal of libethenite is dark green and lustrous and the exposed portion of the crystal measures 1.1 x …
Libethenite Crystals - crystalage.com
Mineral Species: Libethenite. Mineral Group: Phosphates / Olivenite Group. Chemical Formula: Cu 2 PO 4 OH. Hardness: 4. Crystal System: Orthorhombic. Colour: Light to dark green. Typical Appearance: Typically, small lustrous crystals forming drusy crusts.
Color: Light to dark olive-green, dark green, blackish green, black; bluish green to pale green in transmitted light. Luster: Vitreous, greasy on fracture surfaces. Optical Class: Biaxial (–). Pleochroism: May be faint; X = pale yellowish blue; Z = pale greenish blue. Orientation: X = b; Y = c; Z = a. Dispersion: r>v,strong. α= 1.701–1.704
Libethenite - Celestial Earth Minerals
Libethenite has a Mohs hardness of 4.0, a specific gravity of 3.8, indistinct cleavage in two directions, an irregular fracture, and a vitreous-to-greasy luster. It is translucent to subtransparent, with colors ranging from light-to-dark green and olive-green to blackish-green.
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