M206 French 18th century fragment panel decorated

18th century fragment panel decorated with gold plated kyanite

created fabrics for Valentino

The silica is precipitated into cracks which are then filled with microcrystalline quartz and the “plates” are often encrusted with druzy quartz

Rutilated quartz is a rare type of crystal that contains inclusions of rutile which look like gold needles intersecting through the crystal quartz

5" wide x 4" deep

M206 French 18th century fragment panel decoratedLarge fishtail selenite in its matrix on a glass base with faceted feet. Fishtail selenite is made up twin crystals of optical selenite that have grown together in the shape of angel wings or "fishtails." This crystalline form of selenite gypsum is comprised of striations that look like optical light fibers. Unusual in size, these specimens have been mined by hand in Mexico. Size: 14 wide x 11 high x 10 deep 34 lbs