Schmincke Horadam Aquarell Artist Watercolor - Glacier Green, Supergranulation, Half Pan

Pigment Information

This color contains the following pigments:

PR233-Chrome Tin Pink Sphene

PG50-Cobalt Green

Pigment Name

PR233-Chrome Tin Pink Sphene

Pigment Type

inorganic

Chemical Formula

CaO + SnO2 + SiO2 + Cr2O3

Properties

Chrome tin pink sphene comprises a mixture of silicates and metal oxide salts. The opacity of the formulation depends on the proportions of these salts. Tinting strength is low compared with most organic pigments.

Permanence

The inorganic metal salts in this pigment are extremely stable.

Toxicity

Chrome tin pink sphene comprises a mixture of silicates and metal oxide salts. Although none are known to be carcinogenic or toxic, fine particles of such materials are respiratory and eye irritants. Contact with dust should be avoided.

History

This inorganic pigment has been used in enamels and ceramic glazes. Naturally occurring mineral deposits have been used in ceramic glazes for centuries.

Pigment Name

PG50-Cobalt Green

Pigment Type

inorganic

Chemical Name

cobalt titanium oxide

Chemical Formula

Co2TiO4

Properties

Cobalt Titanium Oxide is a low intensity color with a weak tinting strength, similar to Cobalt Blue. It has an average to fast drying time.

Permanence

Cobalt Green has excellent permanence and lightfastness.

Toxicity

Cobalt Green  is considered toxic due to its cobalt component. Do not breathe its dust.

History

Since ancient times, smalt blue has been used to color glass and ceramics. Cobalt salts, which give smalt its characteristic blue color, were identified in the 18th century. Techniques for manufacturing various cobalt salts, offering a range of blues and greens, were developed in the 19th century.