Difference between revisions of "Purpleheart"

From CAMEO
Jump to navigation Jump to search
 
Line 1: Line 1:
[[File:1985.924-SC14552.jpg|thumb|Gran piano<br>MFA# 1985 924]]
+
[[File:1985.924-SC14552.jpg|thumb|Grand piano<br>MFA# 1985.924]]
 
== Description ==
 
== Description ==
[[File:65.2504-C25964CR-d1.jpg|thumb|]]
+
[[File:65.2504-C25964CR-d1.jpg|thumb|Jewelry cabinet<br>MFA# 65.2504]]
 
A purplish hardwood obtained from species in the genus ''Peltogyne'' that are native to tropical regions of Central and South America. Purpleheart or amaranth, wood has a fine, uniform texture and grain that is straight or slightly roey. The durable, shock-resistant wood is sometimes used for carving and for vehicle construction.
 
A purplish hardwood obtained from species in the genus ''Peltogyne'' that are native to tropical regions of Central and South America. Purpleheart or amaranth, wood has a fine, uniform texture and grain that is straight or slightly roey. The durable, shock-resistant wood is sometimes used for carving and for vehicle construction.
  

Latest revision as of 14:52, 22 October 2022

Grand piano
MFA# 1985.924

Description

Jewelry cabinet
MFA# 65.2504

A purplish hardwood obtained from species in the genus Peltogyne that are native to tropical regions of Central and South America. Purpleheart or amaranth, wood has a fine, uniform texture and grain that is straight or slightly roey. The durable, shock-resistant wood is sometimes used for carving and for vehicle construction.

Synonyms and Related Terms

Peltogyne; amaranth (wood); violet wood; amarante (Fr.); amaranto (Esp.) ; pau roxo (Port.)

Physical and Chemical Properties

  • Tree grows to heights of 50 m and diameter of 1 m.
  • Specific gravity = 0.8-1.0 (air dry)
  • Density = 60-65 ppcf
  • Heartwood is dull purplish brown when cut but with exposure to air turns a deep eggplant purple; with further aging it becomes dark brown
  • Grain is usually straight and texture is medium with a good natural luster
  • Wood is very resistant to decay and insect attack

Additional Images

Working Properties

  • If wood is heated with dull tools, or if cutter speeds are too high, purpleheart will exude a gummy resin that can clog tools and complicate the machining process
  • Depending on the grain orientation, it can be difficult to plane without tearout.

Resources and Citations

  • Gordon Hanlon, contributed information, 1998
  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • F. H. Titmuss, Commercial Timbers of the World, The Technical Press Ltd., London, 1965